US stocks: Nasdaq, S&P end lower in volatile session as tech stocks retreat

Tech stocks pulled down the Nasdaq and S&P 500 due to valuation worries and concerns over AI spending, falling crude prices bolstered airlines and travel sectors. The Dow Jones Industrial Average, however, finished higher. Homebuilders also experienced a significant surge. Investors are now keenly awaiting inflation data for clues on the Federal Reserve's next move.