{"id":57451,"date":"2025-12-28T14:00:38","date_gmt":"2025-12-28T18:00:38","guid":{"rendered":"https:\/\/stockmarketwatch.com\/stock-market-news\/trumps-market-mania-a-rollercoaster-of-tariffs-deals-battleships\/57451\/"},"modified":"2025-12-28T14:00:38","modified_gmt":"2025-12-28T18:00:38","slug":"trumps-market-mania-a-rollercoaster-of-tariffs-deals-battleships","status":"publish","type":"post","link":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/trumps-market-mania-a-rollercoaster-of-tariffs-deals-battleships\/57451\/","title":{"rendered":"Trump’s Market Mania: A Rollercoaster of Tariffs, Deals, & Battleships"},"content":{"rendered":"

Another week, another whirlwind of pronouncements from the former-President-turned-market-influencer, Donald J. Trump<\/a>. As 2025 draws to a close, the financial world finds itself once again navigating a landscape shaped by executive orders, Truth Social missives, and the ever-present threat (or promise, depending on your portfolio) of tariffs. The latest flurry of activity includes a renewed trade war with China, “historic” drug price reductions, and the unveiling of a new class of battleships. The markets, ever the stoic participants in this geopolitical drama, have responded with a mix of trepidation, relief, and a few eyebrow-raising surges.<\/p>\n

The Tariff Tango: Two Steps Forward, One Hundred Percent Back (for China)<\/h2>\n

Just when you thought trade relations couldn’t get more interesting, President Trump<\/a> announced a new 100% tariff on Chinese goods and fresh limits on tech exports, with impacts slated to begin as early as November 1st, 2025. This declaration, coming hot off the digital press of December 28th, sent a familiar shiver down the spines of those who recall the market’s previous reactions to such bold moves. Indeed, history offers a stark reminder: on October 10th, 2025, a similar announcement of 100% tariffs on Chinese exports and controls on critical software led to the S&P 500<\/a> and Nasdaq<\/a> experiencing their largest one-day percentage declines since April 10th of the same year. The S&P 500<\/a> technology index plummeted 4%, while the semiconductor sector saw a painful 6.3% drop. Chinese tech giants listed in the U.S. felt the sting acutely, with Alibaba Group Holding<\/a> (BABA<\/a>) closing 8.4% lower and JD.com Inc.<\/a> (JD<\/a>) declining 6.2%. Even oil prices dipped by more than $2 per barrel, while safe-haven gold<\/a> rallied above the $4,000 per ounce milestone.<\/p>\n

Lest we forget the “Liberation Day” tariffs of April 3rd, 2025, which triggered a stock market crash where the S&P 500<\/a> shed 274 points (4.88%) and the Nasdaq Composite<\/a> lost over 1,050 points (5.97%)\u2014the largest point loss in its history. Yet, amidst this historical context of market turmoil, President Trump, ever the contrarian, took to Truth Social on December 27th, 2025, to defend his tariff policy, claiming it was generating “great wealth” for the United States, bolstering national security, and improving economic performance. The market, however, seemed to interpret this differently, with Polymarket odds indicating only a 14% chance of a Federal Reserve rate cut in January, a clear signal of underlying caution despite the presidential optimism.<\/p>\n

In a twist that could only be described as peak transactional diplomacy, the administration also greenlit NVIDIA Corporation<\/a> (NVDA<\/a>) to resume shipping its high-performance H200 AI chips to China. The catch? A cool 25% federal fee on every chip sold, a move intended to funnel a slice of the AI boom directly into the U.S. Treasury. NVIDIA<\/a> shares, perhaps relieved to re-enter a lucrative market that once accounted for a quarter of its data center revenue, climbed between 2% and 4% in early trading following the December 22nd announcement. This “Trump Waiver” policy, replacing stricter export bans, represents a pragmatic, if controversial, shift, though its one-year duration creates a “cliff” of uncertainty for 2027.<\/p>\n

Overall, 2025 has seen the average U.S. tariff rate climb to nearly 17%, the highest since 1935, raking in approximately $30 billion per month for the Treasury. While President Trump celebrated robust GDP growth (4.3% annualized in Q3 2025, exceeding expectations of 3.3%), many economists contend this growth was artificially inflated by trade distortions, as companies rushed to import goods ahead of impending tariffs. Nevertheless, the S&P 500<\/a> has advanced nearly 18% year-to-date, with the tech-heavy Nasdaq Composite<\/a> up 22%, proving that even in the face of tariff-induced whiplash, the market finds a way to, well, market.<\/p>\n

Big Pharma’s Big Deals: A Spoonful of Sugar (and Tariff Relief)<\/h2>\n

In another demonstration of the administration’s unique approach to policy, President Trump announced lower drug price deals with nine pharmaceutical companies. These agreements, largely formalized around December 19th-22nd, 2025, saw major players like Amgen<\/a> (AMGN<\/a>), Bristol Myers Squibb<\/a> (BMY<\/a>), GSK<\/a> (GSK<\/a>), Merck<\/a> (MRK<\/a>), Novartis<\/a> (NVS<\/a>), and Sanofi (SNY<\/a>) (among others) agreeing to reduce prices on certain medications. The quid pro quo? Companies would align U.S. drug prices with those in other developed nations and, crucially, receive a three-year exemption from Trump’s tariffs on pharmaceutical ingredients.<\/p>\n

Wall Street analysts, ever the pragmatists, were quick to weigh in. William Blair analyst Matt Phipps, for instance, described the deals as “another round of pandering on carefully selected drugs,” predicting “negligible effects on sales and profits” for the industry. However, the broader sentiment from firms like Leerink and Truist Securities was cautiously optimistic, viewing the agreements as a sign that President Trump is “unlikely to attack the industry in 2026” and that “pricing and tariff uncertainty is now stabilized, supporting potential positive sector momentum into the new year.” Citi analysts echoed this, noting that these developments offer “additional confidence that policy overhangs are indeed abating and help bolster the sector’s recent momentum into 2026.” Indeed, pharmaceutical and biotech indexes have been on an upward trajectory for most of the year, recovering from a dip in April when tariff threats loomed.<\/p>\n

Battleships and Budgets: A Golden Fleet, a Golden Opportunity?<\/h2>\n

Never one to shy away from grand pronouncements, President Trump also unveiled plans for a new Navy “battleship,” part of an expanded “Trump-class” naval fleet. Announced around December 22nd-23rd, 2025, the vision includes the first vessel, the USS Defiant, commencing construction “almost immediately,” with a potential program target of up to 25 ships. These new behemoths are touted as “larger, faster and ‘100 times more powerful'” than any previously built, forming the centerpiece of a “Golden Fleet” and, rather dramatically, equipped with nuclear-armed, sea-launched cruise missiles.<\/p>\n

The market’s reaction, at least for one key player, was immediate and enthusiastic. Shares of South Korean shipbuilder Hanwha Ocean<\/a> (042660.KS), which acquired the Hanwha Philly Shipyard where these vessels are to be built, surged 12.5% in Seoul following the announcement. However, not everyone was swept up in the patriotic fervor. Congressman Joe Courtney (CT-02), Ranking Member of the House Seapower and Projection Forces Subcommittee, raised concerns about the practicality of building large battleships, citing historical reasons (battleship construction ceased in 1944) and suggesting a focus on enhancing submarine capabilities instead. Furthermore, Trump, in a move that could send shivers through defense contractor boardrooms, threatened an executive order to limit buybacks, dividends, and executive pay for firms with over-budget and delayed projects.<\/p>\n

Global Peacemaker, Market Mover?<\/h2>\n

Rounding out the week’s announcements, President Trump also claimed credit for mediating a ceasefire between Thailand and Cambodia, which had been embroiled in weeks of deadly border clashes. Taking to Truth Social on December 28th, 2025, he declared his pleasure that the fighting would “stop momentarily” and that the nations would “go back to living in PEACE,” congratulating the leaders on their “brilliance” and asserting that the U.S. had “proudly helped.” This diplomatic intervention, which followed weeks of fighting that killed over 100 people and displaced nearly a million, was also welcomed by the UN and China, with the U.S. urging full implementation of the Kuala Lumpur Peace Accords.<\/p>\n

While a commendable diplomatic achievement, this particular announcement did not register any significant direct market reaction in the way that tariffs or drug deals did. It seems the market, for all its sensitivity to geopolitical shifts, prefers its drama to come with a clear, quantifiable impact on corporate earnings or trade flows.<\/p>\n

The Bottom Line: Riding the Waves of Uncertainty<\/h2>\n

As 2025 concludes, the U.S. stock market remains remarkably resilient, with the S&P 500<\/a> nearing the 7,000 mark after an 18% gain for the year, and the Nasdaq Composite<\/a> up 22%. Wall Street analysts are already projecting an S&P 500<\/a> target of 8,011 by the end of 2026, driven largely by the booming technology and AI sectors. Even as President Trump’s policies continue to introduce elements of unpredictability, from 100% tariffs to transactional chip exports and a “Golden Fleet” of battleships, the underlying economic currents, buoyed by strong GDP growth and investor optimism in tech, seem to carry the market forward. Meanwhile, traditional safe havens like gold and silver<\/a> have also seen significant surges, with silver climbing over 17% in the week leading up to December 26th, hitting $80 per ounce, and copper reaching new all-time highs above $12,000. It appears that in the age of Trump, the market has learned to both brace for impact and find opportunity, often simultaneously, in the ever-shifting sands of policy.<\/p>\n

DISCLAIMER: <\/b> We read Trump’s posts so you don’t have to. This is comedy meets market data, not financial advice. Not political advice either – we just like charts and chaos.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"

Another week, another whirlwind of pronouncements from the former-President-turned-market-influencer, Donald J. Trump. As 2025 draws to a close, the financial […]<\/p>\n","protected":false},"author":8,"featured_media":50312,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"rank_math_schema_Article":[],"rank_math_focus_keyword":[],"rank_math_description":[],"financial_data_references":[],"stock_symbols_mentioned":[],"footnotes":""},"categories":[4331],"tags":[],"class_list":["post-57451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trump-stock-market"],"_links":{"self":[{"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/posts\/57451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/comments?post=57451"}],"version-history":[{"count":0,"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/posts\/57451\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/media\/50312"}],"wp:attachment":[{"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/media?parent=57451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/categories?post=57451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www2.stockmarketwatch.com\/stock-market-news\/wp-json\/wp\/v2\/tags?post=57451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}