Key TakeawaysU.S. equities gained at midday Wednesday, May 15, 2024, with the S&P 500 and Nasdaq reaching all-time intraday highs as a report showed consumer inflation slowed in April.The inflation report boosted optimism the Fed will lower borrowing costs, and that helped lift shares of homebuilders including D.R. Horton.Shares of AMC Entertainment plunged as the runup in meme stocks earlier in the week faded and the theater chain operator announced a 23.3 million share debt-for-equity swap. U.S. equities ...