Express Scripts (ESRX +3.3%
its $29.1B purchase of Medco (MHS -1.3%
) following the FTC's approval
of the deal. Three senior Medco execs will join Express' top team, although that doesn't incldue Medco CEO David Snow. Despite its dispute with Express, Walgreen's (WAG +2.3%
) contract with Medco will be honored.