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.

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.

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.

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.