London: Brent oil prices tumbled Wednesday below $35 for the first time in 11.5 years,..
Members of OPEC failed to agree an oil production ceiling on Friday at a meeting..
Oil tumbled 5 percent to near six-year lows on Tuesday, with the Brent crude international..
The Indian Stock Market Barometer, Sensex tumbled 273.05 points, or 1 per cent, to 27,046.51..