Investing.com - Oil prices slid on Tuesday after Kuwait said it would only agree to an output freeze if all major producers take part
Kuwait's oil minister said its participation in an output freeze would require all major oil producers, including Iran, to be on board
Separately, a Goldman Sachs (NYSE:GS) report said that a recent surge in commodity prices was premature and unsustainable
Oil prices have rebounded around 30% since falling to 13-year lows mid-February
Signs that global supply is outstripping demand have driven down oil prices by more than 70% over the past 20 months