Abbott to acquire Exact Sciences, a leader in large and fast-growing cancer screening and precision oncology diagnostics segments Abbott MediaRoomAbbott Labs to acquire Exact Sciences in $21B deal AxiosAbbott bets on cancer screening with $23 billion Exact Sciences deal ReutersAbbott bolsters diagnostics portfolio with up to $23 billion buyout of Exact Sciences Yahoo FinanceAbbott to Acquire Exact Sciences for $21 Billion The Wall Street Journal