The Dow Jones Industrial Average decreased 27.53 points, or 0.10 percent, to 26,384.77. The S&P 500 fell 1.83 points, or 0.06 percent, to 2,905.58. The Nasdaq Composite Index dropped 8.15 points, or 0.10 percent, to 7,976.01.
Shares of Goldman Sachs slid 3.82 percent at the close, leading the laggards in the Dow.
The bank delivered first-quarter results before Monday's opening bell and its revenue for the quarter missed estimates.
Citigroup also reported earnings topped expectations while revenue missed. The stock traded roughly on a downbeat note throughout the session and closed 0.06 percent lower.
The financials sector was down 0.62 percent, the worst-performing group among the 11 primary S&P 500 sectors.
Wall Street is anxiously expecting corporate earnings amid signs of slowing global growth. Of the companies that have reported, 85 percent have topped analyst earnings expectations, according to CNBC, citing FactSet.