
Shares of cancer test maker Exact Sciences EXAS.O rise 17.2% to $101 while medical device maker Abbott Laboratories ABT.N fell 1.1% to $124.70
ABT, which was one of the weakest stocks in the S&P 500 healthcare index .SPXHC on Thursday, says it will acquire EXAS for up to $23 billion, including $21 billion in equity, to tap into the fast-growing cancer diagnostics segment
Under terms of the deal, ABT will acquire all outstanding shares of EXAS for $105 per share, a premium of 21.8% to EXAS' last closing price before the announcement.
On Wednesday EXAS shares had risen 23.7% after a Bloomberg News report that Abbott was closing in on a deal with EXAS and ABT shares ended down almost 3% after the report. Thursday would be ABT's fourth straight day of losses.
Deal expected to close in the second quarter of 2026
Including the deal related rallies, shares in EXAS up ~80% YTD, while ABT up ~10% YTD