The S&P 500 rose 0.5%, as four out of every five stocks in the index climbed. The Dow Jones Industrial Average added 168 points, or 0.4%, and the Nasdaq composite gained 0.3%.

Lam Research issued better-than-expected guidance for the current quarter. For its current quarter, the maker of equipment for semiconductor manufacturing forecast per-share earnings between 90 cents and $1.

TSLA, META, MSFT, IBM, NVDA were among the stocks that dominated investor attention on the day Federal Reserve chose to keep the interest rates steady.

The tech sector, particularly Nvidia ( NASDAQ: NVDA) and other chipmakers, is under heightened scrutiny after disruption in the AI industry by Chinese startup DeepSeek triggered a market selloff on Monday. The selloff represented “a correction,” and was “not the start of a sustained bear market,” Goldman Sachs said Wednesday.

Tesla’s fourth-quarter adjusted earnings miss analysts’ estimates but the stock rises on optimism over the electric-vehicle maker’s growth projections, Microsoft’s Azure growth misses estimates, and Meta’s fourth-quarter profit handily tops forecasts.