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

Shares of Jabil Inc. plunged 10.0% to $286.86 on what proved to be an all-around rough trading session for the stock market, with the S&P 500 Index falling 0.3% to 7,651.54 and Dow Jones Industrial Average falling 0.9% to 50,906.05.

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

Jabil Inc. closed 33.1% short of its 52-week high of $428.93, which the company achieved on June 17th.

The stock underperformed when compared to some of its peers, as Benchmark Electronics Inc. fell 0.5% to $82.91, Flex Ltd. fell 3.4% to $109.99, and Sanmina Corp. fell 3.51% to $214.91.

Trading volume totaled 4.9 million, compared to the 50-day average of 1.1 million.

Data source: Dow Jones Market Data, FactSet