A day after its historic slide into negative territory amid a supply glut, US oil futures finished in positive territory Tuesday although the market remained under heavy pressure.
Futures of US benchmark contract West Texas Intermediate for delivery in May ended at $10.01 a barrel after finishing Monday's session at -$37.63 a barrel.
But WTI futures for delivery in June plunged 43 percent to $11.57 a barrel, the lowest ever since the contract was established in 1983.