NEW YORK (AP) — Stocks rallied on Wall Street, clawing back more of their recent losses, as the countdown clicks closer to zero for a highly anticipated speech about interest rates. The S&P 500 rose 1.4% Thursday for its best day in nearly two weeks. It and other indexes trimmed their losses for the week, caused by Monday’s tumble that was the worst for stocks in months. Wall Street’s focus is on an economic summit at Jackson Hole, Wyoming, which has been the setting for market-defining announcements by the Federal Reserve in past years. The Fed’s chair is scheduled to speak Friday morning.