Rosneft OJSC became Russia’s most valuable company as its market capitalization exceeded that of natural-gas exporter Gazprom PJSC for the first time since its shares began trading in 2006.
Rosneft stock rose 4.2 percent in London by 3:40 p.m., boosting the value of Russia’s largest oil producer to $51.7 billion. Gazprom gained 1.2 percent, raising its market capitalization to $51.5 billion. In Moscow, Rosneft advanced 2.5 percent while the gas producer was up 0.7 percent.
