Greif B's 15min chart shows MACD Death Cross, Bollinger Bands Narrowing, KDJ Death Cross.

According to the 15-minute chart of Greif B, several technical indicators have triggered important signals. Specifically, the Moving Average Convergence Divergence (MACD) has crossed below the signal line, indicating a potential decrease in the stock price. Additionally, the Bollinger Bands have narrowed, suggesting a reduction in the magnitude of stock price fluctuations. Furthermore, the KDJ indicator has crossed below the signal line, indicating a shift in momentum towards the downside and potentially further decreases in the stock price. These signals collectively suggest that the stock price has the potential to continue falling and that the magnitude of stock price fluctuations may be decreasing.