I saw some friends saying that they couldn't understand the ticker of currency stocks recently, such as yesterday's $OPEN and today's $DNUT In fact, it is very simple, just speculate on the stock price. As long as the stock price stabilizes upward, or retail sentiment is in place (see r/wallstreetbets), someone will pick it up. At this time, looking for opportunities to buy the bottom is more cost-effective. Yesterday's $OPEN of Speedrun quickly closed lower after hours. Today, $DNUT has been on the rise.