Koppers Holdings: Bollinger Bands Narrowing, KDJ Death Cross on 15-minute chart

Based on Koppers Holdings' 15-minute chart, the Bollinger Bands have narrowed, and the KDJ indicator has recently experienced a death cross. This suggests that the magnitude of stock price fluctuations has decreased, and there is a shift towards a downward momentum. Consequently, there is a potential for further price decreases.