The Nasdaq opened at a record high on Tuesday, while the S&P 500 came within a whisker of its all-time high, lifted by gains in Amazon.com and technology stocks, Reuters reported. The Nasdaq Composite gained 41.03 points, or 0.37%, to 11,170.75 at the opening bell. S&P 500 opened higher by 5.05 points, or 0.15%, at 3,387.04. And Dow Jones Industrial Average rose 8.57 points, or 0.03%, at the open to 27,853.48.