Stock Market Today: Nasdaq, Dow Weaken; Corning Makes This Bold Move (Live Coverage)

Major U.S. stock indexes—including the Nasdaq and Dow Jones—turned negative during Tuesday afternoon trading in March 2026, reversing earlier gains amid volatile market conditions. Corning Inc. announced a strategic move, though specifics were undisclosed in the live coverage, signaling potential shifts in its technology or investment focus during the session. A gas transport stock broke out, outperforming broader market trends, though the company’s name and breakout details were not specified in the initial report. Oil prices fluctuated alongside equity declines, adding pressure to energy-sector stocks as traders assessed macroeconomic risks and commodity demand. Nvidia and Palantir were highlighted as key stocks to watch, reflecting ongoing investor interest in AI and quantum-adjacent tech amid broader market uncertainty.