Upstream Bio, Inc. (NASDAQ:UPB – Get Free Report) shares rose 8.5% during mid-day trading on Tuesday . The company traded as high as $28.08 and last traded at $28.2630. Approximately 378,469 shares traded hands during trading, a decline of 2% from the average daily volume of 386,405 shares. The stock had previously closed at $26.05. […]