Why is SanDisk stock sliding today?

Market reports indicate that SanDisk stock is currently sliding, reflecting a downward trend in its valuation. Similarly, Seagate Technology is experiencing a decline in its stock price today. Furthermore, AST SpaceMobile stock is tumbling, showing significant losses in market value. These three companies are all facing negative price movements simultaneously, as detailed across the provided sources, highlighting a period of volatility and downward pressure for these specific entities within their respective financial sectors.