Wall Street Falters as Tech Woes and Inflation Anxieties Grip Investors

Market Overview - U.S. stocks experienced a significant decline on February 12th, 2026, with the Dow Jones Industrial Average falling 1.03% to 49,605.19, the S&P 500 down 1.13% to 6,862.95, and the Nasdaq Composite dropping 1.61% to 22,695.23, driven by concerns over artificial intelligence's impact on corporate profits and anticipation of inflation data [1][2] Corporate Movers - Cisco Systems (CSCO) saw its stock drop approximately 10% despite exceeding earnings expectations, primarily due to disappointing forward guidance that raised growth concerns [3] - AppLovin (APP) experienced a dramatic sell-off, with shares tumbling around 18.3% despite reporting stronger-than-expected profits, reflecting market anxieties about AI disrupting software business models [4] - Micron Technology (MU) had a positive stock movement following optimistic comments from its CFO regarding next-generation HBM4 memory production, a key component for AI infrastructure [5] - McDonald's (MCD) shares rose after reporting stronger-than-anticipated profits, while Walmart (WMT) also performed well, contributing positively to the S&P 500 [6] - Tenet Healthcare Corporation (THC) surged after a strong earnings report, and T-Mobile US, Inc. (TMUS) rose after beating earnings estimates, while Shopify Inc. (SHOP) and Moderna, Inc. (MRNA) faced declines due to missing earnings expectations and FDA decisions, respectively [7] Sector Movements - In the energy sector, coal stocks like Peabody Energy (BTU) and Hallador Energy (HNRG) gained momentum following executive orders from the Trump administration aimed at supporting the coal industry [8] Economic Outlook - The upcoming U.S. Consumer Price Index (CPI) release is expected to significantly influence market direction, with investors closely monitoring it for signs of inflationary pressures, which will impact the Federal Reserve's interest rate decisions [9]