The U.S. stock market showed strong upward momentum during Thursday afternoon trading on August 13, 2026, as investors reacted positively to cooling inflation data and a robust slate of corporate earnings. Technology and Artificial Intelligence sectors are leading the charge, driving significant gains in the major indexes as the market prices in a high probability of a Federal Reserve interest rate cut in the coming month.
Major Market Indexes Performance
As of mid-afternoon, the tech-heavy Nasdaq Composite (QQQ) is the standout performer, surging by 1.18%. This rally is largely fueled by renewed investor appetite for high-growth semiconductor and software companies. The S&P 500 (SPY) is also enjoying a solid session, trading up 0.57%, as gains in technology and communication services offset weakness in the materials and energy sectors.
In contrast, the Dow Jones Industrial Average (DIA) remains nearly flat, showing a marginal decline of 0.01%. The underperformance of the Dow is attributed to its heavier weighting in industrial and value-oriented stocks, which are seeing less rotation compared to growth names today. Meanwhile, small-cap stocks are seeing modest gains, with the iShares Russell 2000 ETF (IWM) rising 0.19%.
Sector Highlights and Afternoon Activity
The afternoon session has been defined by a clear "risk-on" sentiment. The iShares A.I. Innovation and Tech Active ETF (BAI) is the top-performing thematic fund, jumping 2.12%, while the VanEck Semiconductor ETF (SMH) has climbed 1.82%. Communication Services (XLC) and Technology (XLK) are the leading S&P sectors, rising 1.37% and 1.14% respectively.
Conversely, defensive and commodity-linked sectors are under pressure. The VanEck Gold Miners ETF (GDX) has tumbled 3.53% as gold prices (GLD) fell 1.32%. Energy (XLE) is also slightly lower as oil prices (USO) dropped 1.65% during the session.
Major Stock News and Corporate Developments
In individual stock news, Apple (AAPL) has been a primary driver of market volume, trading up 0.7% at a price of $303.09. Micron Technology (MU) is also seeing heavy activity, holding steady with a 0.1% gain as the semiconductor industry benefits from positive sentiment.
The premarket and early afternoon saw explosive moves in several smaller names. XChange TEC.INC (XHG) skyrocketed by 523.5%, while FGI Industries Ltd. (FGI) surged 79.6% on massive unusual volume. On the downside, Balchem Corporation (BCPC) experienced a sharp decline of 86.6%.
In the aerospace sector, Space Exploration Technologies Corp. (SPCX), commonly known as SpaceX, saw its shares dip 1.7% in active trading.
Upcoming Market Events
Investors are looking ahead to a busy evening and the coming week for further direction. After the market close today, all eyes will be on Applied Materials Inc (AMAT), which is expected to report its Q3 2026 results. With an estimated EPS of $3.40 and a massive $403 billion market cap, its report will be a bellwether for the semiconductor equipment industry. Nu Holdings Ltd. (NU) is also scheduled to report after the bell.
Looking toward next week, the retail sector will take center stage. Home Depot (HD) is set to report on Tuesday, August 18, followed by Target Corporation (TGT), Lowe's Companies Inc. (LOW), and TJX Companies (TJX) on Wednesday. These reports will provide critical insights into the health of the American consumer and the impact of current interest rate levels on discretionary spending.
Ed Liston is a senior contributing editor at TheStockMarketWatch.com. An active market watcher and investor, Ed guides an independent team of experienced analysts and writes for multiple stock trader publications.