The rout in crude oil prices continued Monday morning amid anxiety over stocks and the health of the global economy.

U.S. crude oil dropped $1.33 to $39.12 a barrel, its lowest in six years.

Prices have plunged 60 percent from a year ago, as OPEC refuses to cut supplies despite oversupplied markets.

Chinese demand is also a concern, with the economic superpower showing signs that its rapid growth is fading.

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