OAO Lukoil fell to a five-week low, leading a drop in U.S.-traded Russian energy stocks as oil prices declined and separatists in Ukraine traded blame with the government over cease-fire violations. Lukoil, the country’s second-largest oil producer, slid 3.7 percent to $43.60 as of 12:51 p.m. in New York after dropping 3.7 percent in London. A Bloomberg gauge of the U.S.-traded Russian stocks fell 2.2 percent, reducing this year’s gain to 14 percent. Stocks retreated as oil dropped for a fifth day, the longest streak of losses since mid-December, amid signs a global supply glut will persist. The Bloomberg Russia-US Equity Index had advanced 25 percent this year through March 5 as Brent crude stabilized at around $60 a barrel. It touched $56.81 today. A military spokesman said insurgents broke the terms of a peace accord in eastern Ukraine, while the rebels accused the government of firing […]