Evercore ISI upgraded Armstrong World to Outperform from In Line with a $200 price target. The firm noted that Armstrong posted solid top-line results with a bottom-line miss caused by some one-time items in Architectural Specialties. Evercore sees the company's full-year guidance as "achievable," including the back half sales and EBITDA acceleration, and believe today's stock's pullback of 5% is "overdone."