Trader Brian Jones on Twitter: "Sometimes what happens after hours is losers want to get out of a stock after hours. Because volume is so low that makes the stock drop heavy. That's when the smart trader comes in and buys the loser's shares on the cheap." / Twitter

Sometimes what happens after hours is losers want to get out of a stock after hours. Because volume is so low that makes the stock drop heavy. That's when the smart trader comes in and buys the loser's shares on the cheap.