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

Shares of Edison International plummeted 23.1% to $53.98 on what proved to be an all-around grim trading session for the stock market, with the S&P 500 Index falling 0.3% to 7,686.14 and Dow Jones Industrial Average falling 0.7% to 53,185.90.

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

Edison International closed 33.9% short of its 52-week high of $81.62, which the company reached on July 28th.

The stock underperformed when compared to some of its peers, as NextEra Energy Inc. rose 0.6% to $82.34, Southern Co. fell 0.3% to $88.00, and Dominion Energy Inc. rose 0.70% to $66.01.

Trading volume totaled 24.7 million, compared to the 50-day average of 3.0 million.

Data source: Dow Jones Market Data, FactSet