Feb 16 (Reuters) - Wall Street’s main indexes opened at all-time highs on Tuesday, with investors piling into economically sensitive stocks on hopes of more fiscal aid to lift the world’s biggest economy from a coronavirus-driven slump. The Dow Jones Industrial Average rose 13.7 points, or 0.04%, at the open to 31472.08. The S&P 500 rose 4.8 points, or 0.12%, at the open to 3939.61, while the Nasdaq Composite rose 56.7 points, or 0.40%, to 14152.215 at the opening bell.