Wall Street ekes out gains as Fed steps in

(Reuters) - Wall Street tried to bounce back on Thursday from dramatic losses in the previous session, as policymakers around the world pulled out all the stops to try and stave off a deep and lasting coronavirus-driven recession.The benchmark S&P 500 swung into positive territory after falling as much as 3.3% earlier in the session. The U.S. Federal Reserve opened swap lines with central banks in nine new countries to ensure the world's dollar-dependent financial system continued to..