Tracking Error vs. Tracking Difference: How Index Funds Diverge
Learn the critical difference between tracking error and tracking difference, how each metric is calculated, and why passive index funds diverge from benchmarks.
index funds
Index Funds vs. Active Funds: Why Costs and Math Win
Learn how index funds compare to active funds, why the arithmetic of active management dictates returns, and how fees, turnover, and taxes compound.
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.
Russell 2026 Reconstitution: A $217B Day, Now Semi-Annual
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 Soars 12% on Nasdaq-100 Entry: The Index Effect Explained
SanDisk surged 11.83% on Nasdaq-100 inclusion news. Here’s the capital markets mechanics behind why index additions reliably move stock prices.
Equal-Weight ETFs Are Beating the S&P 500. Here’s Why It Matters.
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.
Vietnam Joins FTSE Emerging Markets. Billions Will Follow.
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.