Stock markets around the world tumble as Russia attacks Ukraine

The Stock, bond and commodity markets around the world have been rattled after Russia declared war on Ukraine sending stocks tumbling and crude oil prices surging.  The Indian stock market today saw the biggest fall in two years. Benchmark indices declined for the seventh consecutive trading session as tensions between Russia and Ukraine escalated. The barometer index, the S&P BSE Sensex, tumbled 2,702 points at 54,530. The Nifty 50 index slumped 815 points at 16,248. And in the internat...