Griffin: Looking back at the recent tariff storm, holding cash may be the best choice.

Ken Griffin, founder of Castle Investment, looked back on the past month and believed that it would be better to hold cash and wait and see. "For fundamental investors, this period has been very difficult, as the value of the companies we invest in has been greatly affected by the rapidly changing policies in Washington," the 56-year-old Griffin said in an interview on Monday night. "Looking back, perhaps holding cash would have been the best way to get through this period. But this goes against our culture of always trying to be proactive, always trying to find ways to create value in the market," the billionaire said.