also posted revenue that beat forecasts.
Shares of DuPont were up 0.6 percent at $47.24 while Verizon rose 0.3 percent to $42.67.
On the downside, Johnson & Johnson , the diversified health company, fell 0.5 percent to $72.87 after forecasting 2013 earnings below expectations.
The Dow Jones industrial average <.DJI> was down 6.07 points, or 0.04 percent, at 13,643.63. The Standard & Poor's 500 Index <.SPX> was down 1.56 points, or 0.10 percent, at 1,484.42. The Nasdaq Composite Index <.IXIC> was down 2.52 points, or 0.08 percent, at 3,132.19.
Monday was a market holiday for Martin Luther King Jr. Day in the United States. President Barack Obama at his inauguration for a second term on Monday called for aggressive action on climate change, economic equality and the federal budget.
Markets have recently been pressured by uncertainty stemming from Washington about the federal debt limit and spending cuts that could hamper U.S. growth.
Republican leaders in the House of Representatives said they aim to pass on Wednesday a nearly four-month extension of the U.S. debt limit, allowing the government to borrow enough to meet its obligations during that period.
Overall, S&P 500 fourth-quarter earnings rose 2.5 percent, according to Thomson Reuters data.
U.S. shares of Research in Motion jumped 8.2 percent to $17.13 a day after its chief executive said the company may consider strategic alliances with other companies after the launch of devices powered by RIM's new BlackBerry 10 operating system.
(Editing by Chizu Nomiyama and Kenneth Barry)