A "tail wind" refers to the wind blowing in the same direction as a moving object, such as an airplane or a cyclist. It helps the object to move faster and with less effort. Full definition
I have had strong tail winds with very little setbacks. (getrichbrothers.com)
But let's not fool ourselves, management's enjoyed some attractive tail winds here. (wexboy.wordpress.com)
With rates remaining low, companies will enjoy a major tail wind as debt rolls off for years to come & is replaced at cheaper rates. (wexboy.wordpress.com)