Svmuu News Gate Data shows U.S. oil companies rose in pre-market after Iran's Foreign Ministry denied a second round of talks, with Exxon Mobil up 2%, Chevron up 1.5% and ConocoPhillips up 2.7%. Diamondback Energy rose 2.6 percent, Davyin Energy Inc. rose 2.6 percent and Occidental Petroleum gained 2.5 percent.