State Street SPDR S&P MIDCAP 400 ETF Tru... (MDY)

A top equity strategist is steering clients away from the S&P 500, and the reasoning goes deeper than simple valuation math. The real story is a balance-sheet wound that quietly healed while most inve...

State Street quietly sells two ETFs tracking the exact same mid-cap index at wildly different prices, and most investors holding the older one have no idea how much that gap costs them over time.

Style Box ETF report for MDY

<p>ETFs are the preferred investment vehicle for many investors these days, but they’re not all created equal. Don’t miss this deep dive into how an ETF’s legal structure can shape risk, taxes, and re...

The SPDR S&P 500 ETF Trust (NYSEARCA:SPY) tells a story of increasing concentration. The S&P 500 has become a technology-dominated index, with information technology representing over a third of its w...