US stocks end a choppy day mixed. Intel warns of chip sales licenses. Trump calls for lower rates. UnitedHealth posts weak earnings.

Fed Chair Powell warned of a slowing economy and higher inflation but said the central bank isn't ready to cut rates just yet.

U.S. stocks are mostly higher in the final day of trading for their holiday-shortened week. The S&P 500 was 0.3% higher in early trading Thursday, and a recovery for tech stocks following their sell-off the day before helped push the Nasdaq composite up 0.