One of Wall Street's favorite investment vehicles turns 25 years old on Sunday, but shows no signs of fading to the background as it ages. One of the main conversation points around the 2023 rally for the QQQ, and the entire U.S. market, is the dominance of just a handful of key stocks. Over the years, many key stocks have left the fund, including former top performers like Nextel Communications and Sun Microsystems, which were bought out. Related plays Competition in the ETF industry for the QQQ has expanded dramatically over the past quarter century, including from other Invesco funds. That fund is less than four years old but has already surpassed $20 billion in total assets.

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Persons: Wall, Ryan McCormack, McCormack, Todd Sohn Organizations: Nasdaq, Qs, Microsoft, Intel, Qualcomm, Nvidia, Broadcom, Nextel Communications, Sun Microsystems, Pepsico, Amgen Locations: United States, U.S