S&P 500 Inclusion: What Really Happens When a Stock Joins
How a stock actually gets added to the S&P 500, what the historical “index effect” was, and why recent research finds that pop has largely vanished.
How a stock actually gets added to the S&P 500, what the historical “index effect” was, and why recent research finds that pop has largely vanished.
FTSE Russell’s preliminary 2026 additions and deletions hit on May 22. The flip goes effective after the June 26 close – and now happens twice a year.
SanDisk surged 11.83% on Nasdaq-100 inclusion news. Here’s the capital markets mechanics behind why index additions reliably move stock prices.
S&P 500 mega-cap concentration is backfiring in 2026. Equal-weight ETFs like RSP are quietly outperforming. Here’s what that means for investors.
FTSE Russell confirmed Vietnam’s upgrade to emerging market status, triggering a 4.4% VN-Index rally and setting the stage for billions in passive fund inflows.