The latest developments on the financial markets (All times local):
Stocks are opening lower energy companies fall with the price of oil and a plunge in bond yields will hurt banks.
U.S. crude oil futures fell 1.4 percent to $49.14 a barrel in New York Tuesday. Devon Energy lost 2.4 percent and Kinder Morgan declined 1.7 percent.
Technology companies are higher as dealers returned after the Memorial Day holiday.
Payment processor CardConnect jumped 10 percent after it agreed to be bought by First Data for about $468 million.
The Dow Jones industrial average of 30 large stocks slipped 25 points, or 0.1 percent, to 21,052.
The S&P 500 slid 3 points lower, or 0.1 percent, to 2,412.
The Nasdaq composite inched 3 points higher, or 0.04 percent, to 6,213.