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

Shares of PENN Entertainment Inc. shed 6.6% to $18.85 on what proved to be an all-around poor trading session for the stock market, with the NASDAQ Composite Index falling 0.3% to 26,605.36 and Dow Jones Industrial Average falling 0.1% to 53,975.98.

The stock's fall snapped a two-day winning streak.

PENN Entertainment Inc. closed 15.7% short of its 52-week high of $22.36, which the company reached on June 16th.

The stock underperformed when compared to some of its peers, as Las Vegas Sands Corp. fell 0.7% to $45.46, DraftKings Inc. Cl A rose 1.0% to $24.27, and MGM Resorts International fell 2.50% to $43.36.

Trading volume totaled 3.2 million, compared to the 50-day average of 3.5 million.

Data source: Dow Jones Market Data, FactSet