West Texas Intermediate oil swung between gains and losses on Monday and was traded close to its highest level in a month amid speculation that oil flows from the Middles East will not be affected by air strikes in Syria. June WTI futures slid by 1 cent to $95.60 a barrel as of 11:13 a.m. on the NYMEX after they closed at $95.61 on May 3, the highest since April 2.