RTS Index surging after official rates released by Bank of Russia / RTS Index plunged 3.7% after official rates release by Bank of Russia / RTS index down 5% after release of official currency rates / MOEX, RTS indices grow by 1.3% in early trading / RTS index drops by more than 2.8% as Bank of Russia sets official exchange rates / MOEX, RTS indices fall by 0.51% / RTS index surging after official currency rates release / RTS index exceeds 1,200 points as trading on Moscow Exchange opens / MOEX index up 0.19%, RTS index up 1.21% as trading on Moscow Exchange closes / Russian stock indices RTS, MOEX decline on Monday