(Bloomberg) -- The US is leading a revival in global mergers and acquisitions that many dealmakers didn’t think would emerge until later in the year. Most Read from BloombergLargest Covid Vaccine Study Yet Finds Links to Health ConditionsCapital One to Buy Discover for $35 Billion in Year's Biggest Deal Your 401(k) Will Be Gone Within a DecadeAmazon Deserves to Be Called Out for Swindling UsersA $6 Trillion Wall of Cash Is Holding Firm as Fed Delays CutsThe latest big transactions in the country