** Shares of cancer test maker Exact Sciences Corp EXAS.O rise 22.6% to $85.43 in afternoon trade
** Abbott Laboratories ABT.N is nearing a potential takeover of Exact Sciences, Bloomberg News reports, citing people familiar with the matter
** Abbott's shares were down 2.7% at $126.47
** The deal could be announced in the coming days and deliberations are ongoing, which could still be delayed or falter, the report added
** Including session's moves, stock up 53.4% YTD
(Reporting by Siddhi Mahatole)
((siddhi.mahatole@thomsonreuters.com))