Tokyo-Sana
Oil prices fell for the sixth consecutive day.
Reuters reported that Brent crude fell 87 cents, or 1.3 percent, to $67.36 a barrel, and US West Texas Intermediate crude fell $1.05, equivalent to 1.6 percent, to $64.41 a barrel.
US crude fell more than seven percent, while Brent fell more than five percent during the six-day losing streak.