Reddit (RDDT) surges nearly 14% after being named to the S&P 500 index, set to replace AvalonBay Communities on Tuesday. S&P 500 & Nasdaq extend weekly win streaks to three, closing near record highs despite a Friday dip, supported by soft inflation data. Applied Materials (AMAT) sheds 5.1% after its fiscal Q3 earnings report, weighing on the chip equipment sector. Consumer sentiment plummets, with...