Marvell Technology Group Ltd is trading 5% up at $265.22 following news that the company will be added to the S&P 500 index.
- The stock is scheduled to join the benchmark index before the market opens on June 22, 2026, which is expected to drive significant buying from passive funds.
- The inclusion is boosting investor sentiment, helping shares rebound after a period of volatility within the AI-related semiconductor sector.