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

Shares of Citigroup Inc. shed 5.6% to $124.53 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 7,805.45 and the Dow Jones Industrial Average falling 0.3% to 51,670.10.

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

Citigroup Inc. closed 15.8% short of its 52-week high of $147.96, which the company reached on June 18th.

The stock underperformed when compared to some of its peers, as JPMorgan Chase & Co. fell 0.9% to $331.43, Bank of America Corp. fell 1.1% to $53.96, and Wells Fargo & Co. fell 3.10% to $80.74.

Trading volume totaled 20.3 million, compared to the 50-day average of 9.1 million.

Data source: Dow Jones Market Data, FactSet