The stage was set for expiration day pyrotechnics Monday at theNew York Mercantile Exchange. Bulls were confident they could addto the string of five higher highs and higher lows notched on thedaily charts last week. On the other hand, bears believed theconfluence of mild temperatures and follow-through on the heels ofFridays price erosion would set the tone early yesterday. They wereboth wrong. Except for a late and almost inconsequential bliphigher, the July contract was a model of stability yesterday, wherebuying and selling matched up nearly perfectly. July closed out itstenure as spot month up a meager 0.4 cents to settle at $2.262. TheAugust contract finished up 3.2 at $2.324.