Why is Shanghai Allist Pharmaceuticals stock crashing today?

Recent market activity shows a downward trend for several major companies. Shanghai Biren Technology is experiencing a slide in its stock value, while Shanghai Allist Pharmaceuticals is facing a significant crash in its share price. Simultaneously, Samsung Electronics is seeing its stock fall. These three entities are all currently dealing with negative price movements in their respective trading sessions, reflecting a period of volatility and decline for these specific technology and pharmaceutical organizations across global markets.