Speculative flyers: Delta (DAL) and US Airways (LCC)

"If there’s one sector that stands to benefit handsomely from a further slide in oil or, at least, a moderation in crude’s rally: the airlines," explains energy sector expert Elliott Gue.

In The Energy Strategist, he says, "Airlines may make a terrible long-term investment but can be an outstanding short-term trade." Here he looks at Delta Air Lines (NYSE: DAL) and, for the even more speculatively-inclined, US Airways (NYSE: LCC).

"Some investors will rightfully cringe from any mention of this sector; after all, the airlines have consistently lost money throughout their post-deregulation history.

"Most of the majors have declared bankruptcy on multiple occasions since that time. However, we’ve traded the airlines on a few occasions; we took some triple-digit percentage gains in the airlines back in 2005.  

"The airlines’ leverage to oil prices is well known. Expectat