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Why Rocket Lab stock tumbled on Nasdaq-100 news
Key takeaways
- The entrance placed the space company among the 100 largest non-financial businesses on the Nasdaq Stock Market.
- Most companies would celebrate that kind of recognition.
- The Nasdaq-100's June 2026 quarterly rebalance added five companies to the index: Astera Labs, CoreWeave, Nebius Group, Rocket Lab, and Teradyne, with the changes taking effect before market open on Monday, June 22.
Why Rocket Lab stock tumbled on Nasdaq-100 news Opeyemi Babalola Mon, June 15, 2026 at 4:33 AM GMT+7 5 min read RKLB ALAB CRWV NBIS TER After nearly 20 years in business and less than five years as a public company, Rocket Lab Corporation reached a major milestone on Friday when it joined the Nasdaq-100 Index. The entrance placed the space company among the 100 largest non-financial businesses on the Nasdaq Stock Market.
Most companies would celebrate that kind of recognition. Rocket Lab celebrated it by falling more than 10%.
The Nasdaq-100's June 2026 quarterly rebalance added five companies to the index: Astera Labs, CoreWeave, Nebius Group, Rocket Lab, and Teradyne, with the changes taking effect before market open on Monday, June 22.
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