Trader Brian Jones@MasterBJonesDay trading lesson. $PXMD Now How did I know to sell at the top after it hit $3.45? Because I count volume and when the stock spiked in volume and price. That's a sell signal. The computers are programed to sell/short.8:41 PM · Sep 27, 2022·Twitter Web App5 Retweets1 Quote Tweet25 Likes