Stocks move lower as investors wait for presidential debate

Stocks were lower in mid-morning trading as the market cooled off following a rally the day before and as investors waited for the debate later Tuesday between former Vice President Joe Biden and President Donald Trump. Markets are watching the November election’s impact on tax policy and how long it might take to determine the winner. The S&P 500 index was down 0.3% after briefly flirting with mild gains in the early going. Banks, energy companies and stocks that rely heavily on consu