Wall Street’s main indexes closed lower on Tuesday, the first session after the U.S. Labor Day holiday and summer vacations, as traders assessed fresh economic data in volatile trading. A survey from the Institute for Supply Management (ISM) showed the U.S. services industry picked up in August for the second straight month amid stronger order growth and employment, while supply bottlenecks and price pressures eased. However, numbers from S&P Global showed the services sector Purchasing Managers’ Index fell short of flash estimates for August. A stronger-than-expected reading on the U.S. services sector fueled expectations that the Federal Reserve will keep …
