West Texas Intermediate oil was traded close to its lowest level in almost a 14-day period on Wednesday amid signs of increasing inventories as crude stockpiles advanced 1.1 million barrels last week. WTI for delivery next month was traded 11 cents higher at $94.32 a barrel as of 12:42 p.m. on the NYMEX after the prices fell 96 cents yesterday to $94.21, the largest fall since May 1.