UAL is trading at 3.15% down now at $105.06 after a strong multi-day run-up that followed positive airline-sector sentiment and new partnership and distribution initiatives for United Airlines. Recent coverage has highlighted a new multi-year collaboration with Travelport focused on NDC and higher-margin corporate and ancillary sales, along with bullish longer-term fair value estimates for UAL, but there is no clear negative, company-specific headline today. Given the lack of fresh adverse news and the stock’s recent gains, today’s move looks more like profit-taking and digestion of prior optimism than a reaction to a new fundamental shock.