Shares of AMC Entertainment AMC.N reversed their sharp gains to fall 22.7% after the company launched its second share issue in three days. By Shashank Nayar and Medha Singh June 3 (Reuters) - The S&P 500 dipped on Thursday as a raft of upbeat data fanned fears of rising inflation, eclipsing reports that President Joe Biden has offered to scrap his proposed corporate tax hike. The strong data could force the Federal Reserve to pare back its crisis support sooner than expected, despite central bank officials' reassurances to the contrary.