Oil fell for a fifth trading day Monday, dropping more than $2 to just over $81 a barrel on concerns about economic growth in the U.S. and China, Bloomberg reported.
Crude futures fall $2.02 to $81.21 in pre-market New York Mercantile Exchange trading, Bloomberg said.
Oil finished Friday at $83.23 a barrel, the lowest Nymex closing price in 10 months.
