Hot stocks: Gracell Biotechnologies, Stratasys, Hollysys Automation on bullish pre-market rise.

The pre-market session on Tuesday saw several big stocks recording gains. Gracell Biotechnologies experienced a significant increase in its shares after AstraZeneca announced its plans to acquire the company for up to $1.2 billion. Manchester United plc also saw a rise in its shares after British billionaire Jim Ratcliffe purchased a minority stake in the football club. Stratasys confirmed that it received an unsolicited preliminary proposal from Nano Dimension, while Li Auto climbed following reports of the Biden administration exploring higher tariffs on Chinese EVs. Hollysys Automation Technologies received an enhanced all-cash offer from a buyer consortium led by Dazheng Group. Helmerich & Payne, Altimmune, SES AI Corporation, and Canadian Solar also recorded gains during the pre-market session.