that it warrant add nbc news special report that interrupted ellen degeneres. that was that serious. i know: >> i have my own site, it's called ellen tube. [ cheers and applause ] it's only been up for a few months but it's the number one video site with my name on it. so -- [ cheers and applause ] you know what's greats about ell ellentube is that the content is fun for your whole family. >> this is an nbc news special report. here's lester holt. and we come on at the end of a very busy and volatile trading day at the new york stock exchange, closing bell rings right now after a three and a half point dropoff. the dow finishing below 586 after going as low as -- below a thousand points at one point