MOSCOW, Russia (AFP) — Russian stock indexes fell Monday as the Ukraine crisis rapidly deteriorated, with the Kremlin dampening hopes for a summit between Russian leader Vladimir Putin and US President Joe Biden. The dollar-denominated RTS index was down 8.5 percent at 1200 GMT, and has fallen nearly 19 percent since the start of the year. The Russian currency also slid, with the US dollar being exchanged for 78 rubles and the euro for almost […]