b'Stocks finish higher despite briefly turning negative in midday trading. G Squared\\u2019s Victoria Green and JPMorgan\\u2019s Phil Camporeale discuss the market action. Former Fed officials Randal Quarles and Alan Blinder weigh in on this week\\u2019s rate hike and why Blinder called the 25bp move a \\u201cmistake.\\u201d Plus, Evercore\\u2019s Mark Mahaney on why this time is different for TikTok and regulation as the CEO gets grilled on the hill. Block shares dropped nearly 15% after a scathing short seller report: SVB Moffetrnathanson\\u2019s Lisa Ellis and Empire Financial Research\\u2019s Herb Greenberg discuss what to make of the claims.'