Summit Therapeutics' 15min chart shows RSI Overbought, Bollinger Bands Narrowing.

Based on the analysis of Summit Therapeutics' 15-minute chart, the RSI has reached overbought levels and Bollinger Bands have narrowed, suggesting that the stock price has experienced a rapid increase that is not supported by fundamental analysis. Furthermore, the magnitude of stock price fluctuations has decreased, indicating a potential slowdown in the upward momentum.