Feb 9 (Reuters) - Wall Street’s main indexes opened lower on Tuesday, slipping from record highs following several disappointing quarterly earnings reports, while investors closely tracked progress in passing a proposed $1.9 trillion stimulus plan The Dow Jones Industrial Average fell 25.9 points, or 0.08%, at the open to 31359.88. The S&P 500 fell 5.1 points, or 0.13%, at the open to 3910.49, while the Nasdaq Composite dropped 20.8 points, or 0.15%, to 13966.815 at the opening bell. (Reporting by Devik Jain in Bengaluru; Editing by Maju Samuel)