Top ad guru Martin Sorrell downplays chances of Trump’s Truth Social capturing serious market share CNBCTrump Gets Into the Meme-Stock Business The AtlanticTrump Media Options Are So Costly Bill Gross Wants to Sell Them BloombergTrump’s social media company rises 16% in first day trading gains, but the stock could fall 95%, says an IPO expert FortuneTruth Social’s stock price is up. Who’s investing in Trump’s platform? USA TODAY