violated its fiduciary duties in rejecting the takeover offer from valeant and suggesting that david pyattgan's ceo, had a conflict of interest in being involved in elvis evaluating the offer in the first place. allergan firing back saying the board of directors is aware of its fiduciary duty to its stock quloerlds and is being advised and take issue with ackman's tactics with the blatant attempt to isolate david pyatt who has the best interests of all stockholders. they do add that the entire board is open to all options that will significantly enhance the long-term value of allergan for all stockholders. so this war of words continues. of course ackman holds about a 10% stake in allergan. back to you. >> scott cohn, thanks. astrazeneca rejecting what pfizer calls its final offer to buy the drug maker. that after pfizer sweetened its bid to $110 billion. is a hostile takeover on the table? >> the reason you see it not really trade then and astrazeneca rejects and the stock trades down is this is a uk bid. in the uk when a bidder says this is the final offer that's, it that's their final o