Fitness Champs (FCHL) shares were up 32% in Tuesday premarket activity, after Univest Securities said overnight it closed a $5 million public offering for Fitness Champs.

Beyond Meat (BYND) shares were 20% higher, extending Monday's rally.

Avis Budget Group (CAR) stock was up 9.1%, adding to the previous session's gains.

Amazon.com (AMZN) shares were 3% higher after the company said overnight it will invest $5 billion in Anthropic and up to another $20 billion in the future, if certain commercial milestones are met.

GE Aerospace (GE) stock was up 2.1% after the company reported higher Q1 adjusted earnings and revenue.