alexion up nicely today. i think it will go higher as well. they have specialty drugs for the immune system, bloodies orders and so on the stock is breaking out to a new yearly high but i think is the start of a bunch more significant move not just for alexion but for a number of the niche-type biotechs. david: wow!, how many time we heard folks recommend biotech sector now. its really hot. gene, eric, thank you very much. scott bauer, see you in a couple minutes before the s&p futures close. liz: as we mentioned it has been a huge week for commodities. gold up. oil down for the third straight week. we're heading to the cme to find out what to expect next week. david: also jobs in america. we are going to be talking with three ceos. they have just been honored by "inc." magazine for hiring thousands of new workers. we'll ask them whether they are seeing any red flags on the horizon. liz: with amazon hiting a brand new all-time high, our facebook question of the day, is now the time to buy amazon on do you think it is too late? the stock might