Nvidia's upbeat outlook lifts US stock indices higher

Wall Street indices climbed as Nvidia's stronger-than-anticipated revenue guidance boosted confidence in the technology sector's growth prospects. The chipmaker's performance suggested the artificial intelligence-driven rally that has dominated markets remains on solid footing, with investors reassessing the durability of gains in semiconductor and related tech stocks.

The Nasdaq and S&P 500 both posted gains, with Nvidia among the day's strongest performers. Analysts attributed the company's share appreciation to its track record of meeting elevated investor expectations, a factor that has become increasingly important given the substantial valuations commanding major technology firms.

Market participants are now awaiting remarks from Federal Reserve Governor Christopher Warsh, whose comments on monetary policy and economic conditions could influence broader trading sentiment. The Fed's messaging on interest rates remains a key driver of equity market direction, particularly for growth-focused technology stocks that are sensitive to borrowing costs.

The combination of strong corporate guidance and anticipated central bank commentary is shaping investor positioning ahead of the close of the trading week. Market breadth and momentum indicators suggest underlying support for equities, though analysts cautioned that sentiment could shift rapidly based on incoming economic data and policy signals.