Stocks churn higher as Fed's Powell says rates will remain low

U.S. equity markets gained Wednesday morning after Federal Reserve Chairman Jerome Powell said the central bank expects to keep rates low for the foreseeable future and traders digested details of the Democrats' $3.5 trillion spending plan while sifting through a busy morning of earnings and economic data.

The Dow Jones Industrial Average rose 139 points, or 0.4%, while the S&P 500 and the Nasdaq Composite gained 0.42% and 0.63%, respectively. 

Federal Reserve Chairman Jerome Powell testified on Capitol Hill and said the central bank still anticipates the recent surge in...