Quest Diagnostics's 15min chart: MACD Death Cross, Bearish Marubozu signal.

Based on Quest Diagnostics' 15-minute chart, a bearish signal has been triggered. Specifically, the MACD indicator has crossed below its signal line, indicating a potential continuation of the downward trend in the stock price. Additionally, the candlestick pattern of a bearish Marubozu at 12:45 on March 26, 2023 suggests that sellers are currently in control of the market and that bearish momentum is likely to persist.