Wall Street heavyweights mixed ahead of Nasdaq 100 rebalance

FILE PHOTO: A man walks past the Nasdaq MarketSite in New York's Times Square, August 23, 2013. Stocks inched higher on Friday as trading resumed without interruption a day after the Nasdaq stock exchange suffered an unprecedented, three-hour trading halt. REUTERS/Andrew Kelly/File Photo

(Reuters) - Shares of Wall Street's most valuable companies were mixed on Friday ahead of a rebalance of the Nasdaq 100 index to address the benchmark's "overconcentration."

Nvidia and Tesla dipped 1.4% and 0.4%, respectively, while Alphabet added nearly 1% and Apple and Amazon were near unchanged.