joining me marcus lemonis, sharon epperson, josh brown, and shark tank investor, author of "the cold,truth on men, women, and money," kevin o'leary. josh brown, you had a piece today where you effectively called this out as a frothy market. it echoes some of the concerns jim cramer was telling us he had in the tech space. how worried should people be -- granted we were a little down today -- but generally speaking about the market? >> tech space -- let's talk about the biotech space which would make the tech space blush right now. this is a sector that's up 70%, seven zero, over the last year. that's the entire industry's worth of stocks. 122 of the biotechs in the russell 1000 are not even profitable, and i think what we really want to focus on here is that this can continue for a long time. so just saying it's frothy in and of itself is not indicative of a market top. i think if you think about, look, the nasdaq in 1999 in january was at 90 times earnings, you would have said that's frothy, and then the nasdaq went on to go up another 130% from there. so i think that's what the hot