Debt talks and Fed minutes weigh on stocks.

US stocks closed lower as investors worry about a potential US debt default, with the S&P 500 down 0.73% and the Dow Jones Industrial Average falling 0.77%. The Federal Reserve released minutes showing officials were divided on the future of interest rate increases. Meanwhile, shares of Palo Alto Networks rose more than 7% after the cybersecurity company reported better-than-expected earnings, and Toll Brothers beat expectations as mortgage rates stabilized and improved buyer confidence boosted demand. Kohl's Corporation also posted a surprise profit for the first quarter, while PacWest Bancorp shares sank more than 2% after the bank sold its real-estate lending arm.