April 30 (Reuters) - Wall Street’s main indexes opened lower on Friday as investors hit pause after a barrage of strong earnings and upbeat economic data through the week drove the benchmark S&P 500 index to record levels in the previous session. The Dow Jones Industrial Average fell 71.6 points, or 0.21%, at the open to 33988.75. The S&P 500 fell 13.4 points, or 0.32%, at the open to 4198.1, while the Nasdaq Composite dropped 111.8 points, or 0.79%, to 13970.729 at the opening bell. (Reporting by Shivani Kumaresan in Bengaluru; Editing by Anil D’Silva)