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Lumentum promoted from S&P MidCap 400 to S&P 500 index

What happened

Lumentum Holdings Inc has been promoted to the S&P 500 index, effective before market open on March 23. This inclusion triggers passive fund inflows, likely boosting stock price.

Impact and signal

Medium impactImpact score: 60/100

Affected components and suppliers

Optical ComponentsLaser Diodes

Lumentum Holdings Inc

index-joinpassive-inflowstock-movement

Source and time

Source: Semiconductor Today · 3/10/2026 · View original source

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Lumentum promoted from S&P MidCap 400 to S&P 500 index

What happened

Impact and signal

Affected components and suppliers

Source and time

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