“The US airline industry has been hosting a renaissance party for investors,” Citi’s Kevin Crissey said in a report. All the stocks in this segment have at least tripled over the last five years.“Although we are staying at the party from a ratings perspective, we’ve moved away from the punch bowl,” Crissey commented.Top PickCrissey named American Airlines Group Inc as the top pick among U.S. airlines, saying the company would benefit from “unique post-merger efficiency opportunities” and lower capex. He initiated coverage of the company with a Buy rating and a price target of $55.Other Buy-Rated Stocks Allegiant Travel Company : Initiated at Buy with a price target of $185.Delta Air Lines, Inc. : Initiated at Buy with a price target of $61.Southwest Airlines Co : Initiated at Buy with a price target of $57.Neutral-Rated Stocks Alaska Air Group, Inc. : Initiated at Neutral with a price target of $81.Hawaiian Holdings, Inc. : Initiated at Neutral with a price target of $48.JetBlue Airways Corporation : Initiated at Neutral with a price target of $22.United Continental Holdings Inc : Initiated at Neutral with a price target of $69Downgrade Spirit Airlines Incorporated : Downgraded from Buy to Neutral, while raising the price target from $52 to $61.“We think valuation on SAVE shares already discounts a substantial portion of its near-term growth opportunities,” the analyst mentioned.Source