Sweet grades were rose Friday,supported by reports that Nigeria has moved to cut its quotas for April loading onwards,urging refiners to stock up on March delivery barrels from the domestic market,market sources said.Other sources however downplayed such suggestions,attributing the gains to short-covering ahead of the March roll-over next Wedensday.March-delivery LLS traded at 20 cts under to flat against WTI,sources said.March HLS traded at 90-75 cts under WTI,from
展开▼
