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On Friday, shares of Amazon.com surged by 11.8%, making it the best performing component of the Nasdaq 100 index. Year-to-date, Amazon has gained 13.6% in value.
Conversely, DexCom was the worst performer on the index, declining by 12.8% on the day and approximately 23.5% year-to-date. Other notable movements included Charter Communications, which fell by 5.3%, and Marvell Technology, which increased by 6.9%.
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