In the last 10 trading days, the Dow fell more than 350 points six times. There was also one day when the Dow rose by 1,000 points — the biggest point gain ever. The market is in an historic period of volatility. The S&P 500 was up or down more than 1% nine times in December and 64 times this year. In all of 2017, that happened only eight times. Here's the play by play of the last 10 days. China s
![A head-spinning, jaw-dropping 10 days in the markets](https://cdn-ak-scissors.b.st-hatena.com/image/square/cf62f6dc14ea80e717624b88927e3858f8a9a29d/height=288;version=1;width=512/https%3A%2F%2Fcdn.cnn.com%2Fcnnnext%2Fdam%2Fassets%2F181227212257-wall-street-december-split-super-tease.jpg)