MW: Oil drops 6% after OPEC keeps output unchanged
By Polya Lesova
NEW YORK (MarketWatch) -- Oil futures tumbled 6% early Monday, coming under pressure after the OPEC oil cartel decided to keep output unchanged at a weekend meeting. Oil for January delivery fell $3.15, or 6%, to $51.34 a barrel in electronic trading on Globex. The contract hit an intraday low of $51.20 a barrel.
