Oil futures have decreased Movement.down.loss January as the Organization of the Petroleum Exporting Countries opted to hold Movement.flat the same level of output despite a global supply glut Oversupply caused by roaring Grow.strong U.S. shale output and diminished Movement.down.loss consumption from UK .

Oil futures have decreased Movement.down.loss due to concern Negative_sentiment about deteriorating Slow.weak demand and high supplies Oversupply , raising the question of whether Saudi Arabia , holder of the world 's largest spare output capacity , will disrupt Cause.movement.down.loss output .

SINGAPORE/LONDON ( Reuters ) - Energy markets are being battered across the board as negative data fuels worries Negative_sentiment that consumption of oil , natural gas and coal will be decreased Movement.down.loss by a global economic weakness Slow.weak .

`` As the growth rate of new cases has decreased Movement.down.loss ... that has improved Grow.strong the market sentiment , '' said Kim Kwang-rae , commodities analyst at Samsung Futures in Seoul .