Non-profitable tech bubble building could topple the market, says Morgan Stanley's Andrew Slimmon

My next guest says the bull market is rolling on. Uh, and there's good reason for that to continue. Joining me now, Andrew Slimman, senior portfolio manager at Morgan Stanley Investment Management.Andrew, the first thing you say is that you worry about the bubble in the nonprofitable tech stocks. I thought that was the different the difference this time versus 1999. There aren't that many nonprofitable high-f flyers, are I mean, they're profitable, most of them, aren't they.Are they just rich in valuation. ...