Analysts at Buckingham Research downgraded Southwest Airlines Co. (LUV) from ‘Buy‘ to ‘Neutral‘ in a research report issued to clients on Wednesday. On valuation measures, Southwest Airlines Co. stock it’s trading at a forward P/E multiple of 10.24x, and at a multiple of 17.98x this year’s estimated earnings. The t-12-month revenue at Southwest Airlines Co. […] View the full post at: Notable Downgrades: Southwest Airlines (LUV), Achillion (ACHN), Keysight Technologies (KEYS), Wal-Mart (WMT), Autodesk (ADSK) Related posts: Commerce Bank of Southwest Florida Fails; 124th of 2009 UAL to Acquire Continental Airlines Japan Airlines Considers Chapter 11-style Bankruptcy