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Fifty years ago today (August 31, 1976), Jack Bogle and Vanguard launched the first index mutual fund: First Index Investment Trust, which tracked the S&P 500 index (and which is now known as the Vanguard 500 Index Fund). It's hard to overstate the ...

A reader writes in, asking: "You have said, and I have read elsewhere also, that passkeys are 'phishing resistant.' I'm ready to believe that, because everybody 'in the know' says so, but I haven't really been able to wrap my head around WHY that's ...

TIPS maturing in 2046 or later are yielding slightly above 3% as of last Friday. (And TIPS maturing 2042-2045 aren't far below 3%.) It's important to understand that interest rates are quite hard to predict. And there's no rule that says that TIPS ...

In a recent paper, David Blanchett found (again) that household spending tends to decrease over the course of retirement. That is, it increases, but not as quickly as inflation. So in "real" terms, it's gradually going down. Relative to Blanchett's ...

In February of 2026, Morningstar bought CRSP (the Center for Research in Securities Prices), which until that point was owned by the University of Chicago. CRSP was the entity that operated a bunch of the indexes that Vanguard funds tracked. Earlier ...