ceo, marissa mayer, speaking with stephanie maeda. scarlet: still ahead, the chicago blackhawks clinch the stanley cup yet again. what one nhl agent has to say about whether the franchises getting it done and what it is doing right that other clubs can't do. ♪ mark: welcome back to the bloomberg market day. scarlet: time to check in on the markets with julie hyman who is looking at how health care stocks are reacting to a flurry of m&a speculation. it seems to involved almost everyone in the managed care industry. it's hard to keep track of who is targeting him, at least speculatively. and them united health group, most of these are being mentioned as potential acquirers and they are rising today. take a look at the stocks that are not rising -- cigna and humana have both turned lower today. at one point, it was talked about that cigna would make an acquisition offer for humana but now cigna looks like a target that maybe that is off the table but all of this is speculative. popular?s cigna so one of the things we are looking at is th