Prediction Markets Surge Among Young Male Traders A Demographic Shift in Speculative Finance Trump Mobile Probes Potential Data Exposure Affecting Thousands of Prospective Customers Pfizer Wins Singapore Trademark Dispute with Merck Over Vaccine Brand WSJ Heard on the Street Unveils Eighth Annual StockPicking Contest Selections 401k Millionaire Count Drops While Savings Rates Hit Record High Corporate America Q2 Earnings Surpass Wall Street Slowdown Fears Debasement Trade Loses Luster as Gold and Bitcoin ETFs See Outflows