Shares of Amazon.com Inc. AMZN, -4.27% surged 7.3% in premarket trading Thursday, to bounce off the previous session's 2 1/2-year closing low, after cooler-than-expected inflation data fueled hopes that the Federal Reserve won't be so aggressive in raising interest rates. The stock has been suffering of late as historically high inflation, fast-rising interest rates and slowing consumer spending has increased fears that a recession was on the horizon.