Following three years of nonstop regulatory hassles, Illumina (ILMN) finally gave up on GRAIL, leading to the successful completion of its spin-off yesterday. Following the announcement, shares of Illumina rose 1.5% at yesterday’s close and also edged up 0.1% during the after-hour trading session.With the divestment now complete, GRAIL will start trading publicly on Nasdaq from Jun 25 under the ticker symbol "GRAL." Illumina will continue to operate its legacy business independently under the ticker symbol ...