Gas prices declined for the 11th day in a row and are now in May levels, reported CNN Money.

A report from Lundberg Survey, Inc shows that gas prices have fallen 12 cents in the past two weeks to a current average of $3.9959 a gallon.

Gas prices reached a record high of $4.114 on July 16 and stayed there for two days before they began to decline.

With the high gas prices, oil investors worried that the high cost of fuel was leading to a slowdown...