Denny's (DENN) stock price was up around 7% today as Denny's robot server goes viral on TikTok. The full-service franchised restaurant chain has over 1,600 locations worldwide. CLARIVATE PLC (CLVT) stock price was up around 13% today. The company serves scientific research, intellectual property, and life sciences end-markets. Morgan Stanley maintains an overweight rating on the CLVT stock. Finally, George Tsilis weighs in on the Yellow Corp. (YELL) stock price which was up around 11% today. The company operates logistics and less-than-truckload networks in North America.