"fast money" friend gene munster is listening in. are giving guidance on iphone revenue, services revenue. and we saw the stock drop 4%. what happened? >> melissa, they guided revenue down by 5%, versus where the street was at for december. so, they're looking for revenue to be flat year over year. the reason is that they're attributing this to last year we had a 14-week december quarter, this year, a 13-week. if this would have been a 14-week quarter, tim cook mentioned -- or luka mentioned that you can apply the guidance would have been 2% higher than the street, so, this brings the question, what were analysts thinking, and which analysts -- what percentage of the analysts factored in a 13 versus 14-week? i can tell you, this is something that we would track closely and i suspect the majority of estimates did factor that in, so, i think that this is a genuine soft guide. he did, luka did talk about part of the reason was the difficult comps. the ipad has difficult comps, the whereabouts with watch, new airpods that came out last y