Why is Vistra stock sliding today?

Vistra and Constellation Energy are both experiencing a decline in their stock prices today. Market data indicates that shares for both energy companies are sliding simultaneously. Investors are monitoring the downward movement of these specific equities as they face current selling pressure. The reports focus on the immediate price drops for Vistra and Constellation Energy without attributing the slide to a single external cause, reflecting a synchronized negative trend for both utility sector stocks in today's trading session.