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

Shares of Caterpillar Inc. shed 6.9% to $782.71 on what proved to be an all-around dismal trading session for the stock market, with the S&P 500 Index falling 1.5% to 7,316.15 and Dow Jones Industrial Average falling 2.2% to 51,594.14.

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

Caterpillar Inc. closed 27.1% short of its 52-week high of $1,073.46, which the company reached on June 30th.

The stock underperformed when compared to some of its peers, as Deere & Co. fell 4.5% to $610.95, Toro Co. fell 3.1% to $92.34.

Trading volume totaled 5.8 million, compared to the 50-day average of 3.3 million.

Data source: Dow Jones Market Data, FactSet