Why is Moderna stock down 4% today?

Richardson Electronics and Moderna are both experiencing stock price declines today. Market data indicates that Richardson Electronics stock is slipping, while Moderna shares have dropped by 4%. These downward movements reflect current trading trends for both companies. Investors are monitoring the specific factors contributing to these losses as the market reacts to new data. Both entities are seeing a reduction in valuation during the current session, marking a negative trend for their respective shareholders today.