Oil sinks 4% after OPEC output increase (CL1:COM:Commodity)

Crude oil futures tumbled at the open Sunday after OPEC decided to boost output.

WTI crde (CL1:COM) -3.8% and Brent (CO1:COM) -3.5% dropped more than 3%.

Eight members of OPEC+ on Saturday announced a second straight monthly increase of 411K