A leading antitrust scholar says yes. Congress may be listening.
THE DAYS OF suit-clad men shouting out orders on the bustling floors of stock exchanges are mostly gone, replaced by windowless rooms full of servers, but the stock market is still a busy place. On the 13 US stock exchanges combined, around 50 million trades happen every day. And yet there’s another digital marketplace out there that processes tens of billions of transactions daily, one whose complexity makes the NASDAQ look like a lemonade stand: online advertising.
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