Nov 1 (Reuters) - The S&P 500 and the Nasdaq indexes opened at record highs on Monday, led by gains in Tesla and energy stocks at the start of a week packed with economic data as well as the Federal Reserve"s potential move to slow down bond purchases. The Dow Jones Industrial Average (.DJI) rose 14.09 points, or 0.04%, at the open to 35,833.65. The S&P 500 (.SPX) opened higher by 5.24 points, or 0.11%, at 4,610.62, while the Nasdaq Composite (.IXIC) gained 42.87 points, or 0.28%, to 15,541.26 at the opening bell. Reporting by Devik Jain in Bengaluru; Editing by Maju Samuel