Revolution Medicines stock chart sees Bollinger Bands expanding downward, KDJ death cross.

Based on the 15-minute chart for Revolution Medicines, the Bollinger Bands are currently expanding downward, and the KDJ indicator has crossed below the 50-line, which is indicative of a bearish trend. This suggests that the market sentiment is dominated by sellers and the momentum of the stock price is trending downwards, potentially leading to further decreases in the stock's value.