alison kosik at the new york stock exchange. alison, the 1,000-point question. how did this happen? >> the incredible rebound really coming as some investors have been saying that the selling we've been seeing over the past couple of months has been overdone. you look at the dow, it's lost more than 5,000 points since its peak in october. so some are questioning, why should the dow be losing this much since economic data in the u.s. doesn't point to a looming recession? but the reality is, the political risks in the market, they have actually heightened and affected confidence in the market. i'm talking about president trump's tweets and statements where he's been attacking fed chairman jay powell. they moved the markets lower. they drove them down and undermined confidence. and will continue to, because it's an unpredictable nature, continues to be a threat to the stability of the market. clearly, volatility is key here. we saw the market plunge 650 points on monday. now surging over 1,000 points. it's anybody's guess where the market goes tomorrow. dana? >> if only we could guess,