XE ▲ +7.0% - X-Energy, Inc. $XE int Underweight @ Piper Piper Sandler initiated coverage of X-Energy with an Underweight rating, sending shares up 7.0% today. The positive market reaction to the initiation likely reflects investor enthusiasm for the company's advanced reactor technology despite the analyst's cautious stance. 08-SEP-2026 04:41 PM ET