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Events / Business / Lumentum joins Nasdaq-100, CoStar exits
Business index change

Lumentum joins Nasdaq-100, CoStar exits

Analysis based on 6 articles · First reported May 09, 2026 · Last updated May 09, 2026

Sentiment
10
Attention
2
Articles
6
Market Impact
General
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Market Impact

The market impact is primarily on the individual stocks involved. Lumentum Inc. may see increased investor interest and potential price appreciation due to its inclusion in the Nasdaq-100 Index, while CoStar Group, Inc. might experience some negative sentiment from its removal.

Financial services Technology
Event Summary

Nasdaq-100 announced that Lumentum Inc. will be added to the Nasdaq-100 Index, replacing CoStar Group, Inc. This change will take effect prior to market open on Monday, May 18, 2026. The Nasdaq-100 Index tracks the performance of 100 of the largest Nasdaq-listed non-financial companies and is a significant benchmark for many investment products.

Entities Involved
stock
Lumentum
Importance 0.0 Sentiment 0.0
stock
CoStar Group
Importance 0.0 Sentiment 0.0
index
Nasdaq-100
Importance 0.0 Sentiment 0.0
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