Is UAL's Cheap Valuation an Opportunity to Invest in the Stock?

United Airlines (UAL) shares are among the cheaper ones in the Zacks Transportation—Airline industry.  The company has a Value Score of A presently. UAL stock trades at a discount with a forward 12-month P/S of 0.52X compared with the industry’s 1.18X. Image Source: Zacks Investment ResearchIts valuation is cheaper than that of fellow industry players like Delta Air Lines (DAL) and Southwest Airlines (LUV) , which are attractive to investors.Now, the question is whether it is worth buying the stock at curre ...