Quest Diagnostics Inc. Stock Slides 4.1%, Underperforms Peers

This article was automatically generated by Dow Jones using technology from Automated Insights.

Shares of Quest Diagnostics Inc. slipped 4.1% to $234.76 on what proved to be an all-around mixed trading session for the stock market, with the S&P 500 Index remaining mostly unchanged at 7,764.64 and the Dow Jones Industrial Average falling 0.4% to 51,863.69.

This was the stock's third consecutive day of losses.

Quest Diagnostics Inc. closed 5.7% below its 52-week high of $248.84, which the company reached on September 21st.

The stock underperformed when compared to some of its peers, as UnitedHealth Group Inc. fell 1.2% to $372.95, IQVIA Holdings Inc. rose 0.1% to $270.09, and Centene Corp. fell 2.60% to $63.30.

Trading volume totaled 2.7 million, compared to the 50-day average of 1.0 million.

Data source: Dow Jones Market Data, FactSet

(END) Dow Jones Newswires

September 22, 2026 16:35 ET (20:35 GMT)