Trader Brian Jones on Twitter: "Once the opening bell rings. The game changes again. If a stock spikes at the open and then volume drops off. The price will drop. You are looking for stocks building in volume or steady volume after the open." / Twitter

Once the opening bell rings. The game changes again. If a stock spikes at the open and then volume drops off. The price will drop. You are looking for stocks building in volume or steady volume after the open.