Why is Bank of Montreal stock sliding today?

Recent market activity shows a downward trend for several companies. Bank of Montreal stock is currently sliding, reflecting a decline in its market value. Similarly, Resources Connection is experiencing a drop in its share price today. Microvision is also facing a similar situation, with its stock sliding in current trading sessions. These three distinct entities are all seeing their equity values decrease simultaneously, as reported across multiple financial sources monitoring today's specific stock market movements.