Wall Street, global markets mostly lower and oil prices drop $2 on hopes for a US-Iran nuclear deal

By ELAINE KURTENBACH and MATT OTT, Associated Press Business Writers
Wall Street veered lower before the opening bell Thursday and oil prices fell more than $2 a barrel as optimism over a possible U.S.-Iran nuclear deal rose.
Futures for the S&P 500 and Dow Jones Industrial Average each fell 0.4%. Nasdaq futures dipped 0.6%.
President Donald Trump, visiting Qatar as part of a three-country Middle East tour, has urged the nation to use its influence with Iran to persuade its leadership to dia