U.S. stocks closed slightly higher Tuesday, bouncing back after a brutal selloff over the past few days. In international economic news, European markets fell as tensions flared again in Ukraine. Russia's Foreign Ministry warned Kiev that use of force in the eastern region could lead to civil war. Asian markets were mixed. Tokyo's Nikkei fell 1.4 percent as the central bank ended a policy meeting without any hint of further economic stimulus. China's benchmark Shanghai Composite index rose 1.9 percent. Chinese markets, which were closed Monday for a holiday, have been supported by hopes the government will take steps to boost faltering growth. The dollar gained ground against the euro and the pound, but lost ground versus the yen. Light sweet crude oil for May delivery added $2.12 to $102.56 a barrel on the New York Mercantile Exchange. Gold futures moved up $10.80 to $1,309.10 an ounce. The Dow Jones industrial average climbed 10.27, or 0.06 percent, to 16,256.14. The broader Standard & Poor's 500 index rose 6.92, or 0.38 percent, to 1,851.96. The technology-heavy Nasdaq composite gained 33.24, or 0.81 percent, to 4,112.99.