Sensex slides 813 points, financial stocks tumble as crude oil and bond yields pressure markets

Markets deepened their losses through the mid-session on Wednesday, with the Sensex shedding 813.20 points, or 1.09 per cent, to 74,015.05 and the Nifty 50 falling 265 points, or 1.13 per cent, to 23,181.80 as of 1.18 pm, extending the sharp gap-down open that set the tone at the start of trade. Th…