are sending stocks to a triple digit decline. it's hoping the month of december earn a spot in wall street history but not in a good way. u.s. markets are on track for their worst month since the depression. we did see stocks down as much as 600 points today. they are clawing their way back but still in negative territory. what are seeing in this final hour of trading? >> this is the hour yesterday where we saw that major surge in the dow when it closed over 1,000 points higher. this pullback today is natural after that massive move by the dow, but it certainly magnifies the volatility that's prevalent in this market right now. 11 of the 18 sessions just in december, there were triple digit moves on the dow. it just highlights how volatile it's been. these year-end gyrations come after miss of moves downward for all of major indices.