The Nasdaq 100 Index gained 0.3% Tuesday to close at an all-time high for the first time since the technology-heavy index previously peaked on March 27, 2000, at 4,704.73. Of the index's 20 biggest components by market capitalization, only Alphabet Inc.'s stock closed at a record on Tuesday, while the shares of three others--Amazon.com Inc. , Priceline Group Inc. and Costco Wholesale Corp. --pulled back slightly from records reached on Monday. Meanwhile, the Nasdaq 100's intraday high of 4,735.31 was still well below the all-time intraday high of 4,816.35 reached on March 24, 2000. The broader Nasdaq Composite's is 1.4% below its July 20 record close of 5,218.86, which is 3.3% above its dot-com-bubble-era peak of 5,048.62 on March 20, 2000.
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