1122 GMT - The cost of insuring euro credit against default remains steady as hopes of talks between the U.S. and Iran raise optimism. "Investors continue to balance the prospect of U.S.-Iran talks around the UN General Assembly against continued disruption to Gulf [oil] supply," Capital.com's Daniela Hathorn says in a note. Brent crude drops 2.0% to $98.32 a barrel, after encouraging media reports about oil flows from the Middle East. The iTraxx Europe Crossover index of euro high-yield credit default swaps is steady at 284 basis points, S&P Global Market Intelligence data show.