Trader Brian Jones on Twitter: "Here's when the psychology comes in. Traders that bought early and didn't sell at 4600 resistance and held during the margin call selling are xxxxxx now. So what do they do? They can't get their money back so they bail." / Twitter

Here's when the psychology comes in. Traders that bought early and didn't sell at 4600 resistance and held during the margin call selling are xxxxxx now. So what do they do? They can't get their money back so they bail.