By Caroline Valetkevitch
U.S. stocks ended a choppy session lower on Monday as investors grew more nervous ahead of the third-quarter earnings reporting season.
Supply chain problems and higher costs for energy and other things have fueled concern about earnings, set to kick off with JPMorgan Chase & Co results on Wednesday.
Indexes reversed early gains, and JPMorgan shares were down and among the biggest drags on the S&P 500, while the S&P financial index was also lower.
According to preliminary data, the