Quest Diagnostics: Bollinger Bands Narrowing, KDJ Death Cross on 15min Chart.

As per the 15-minute chart of Quest Diagnostics, the Bollinger Bands have narrowed, indicating a reduction in the magnitude of stock price fluctuations. Furthermore, the KDJ indicator has triggered a death cross at 13:45 on February 3, 2026, suggesting that the momentum of the stock price is shifting towards the downside and may continue to decrease.