Crude-oil prices plummeted in Asian trading Monday, with Nymex dropping below $90 a barrel as euro-zone debt worries overshadowed fears of supply disruptions in the Middle East. Oil futures shed around $2 a barrel, tracking Asian shares and a slide in the euro against the dollar. The shift in global investor sentiment comes as Spain's borrowing costs soared to a euro-era record, which raised concern that Europe's fourth-largest economy could require financial help from its euro-zone neighbors.

Source