Analysts attributed persistent fall in crude prices at futures trade to weak trend in Asian trade today as sharp falls in equities added to worries lacklustre global economic growth will hurt energy demand in an oversupplied market.
Meanwhile, West Texas Intermediate (WTI) crude for October delivery, a new contract, lost 49 cents at $40.8357, while Brent crude for October tumbled 56 cents to $46.06 a barrel on the New York Mercantile Exchange.