Barry Ritholtz, Columnist

Why the 401(k) Millionaires Club Got Smaller Last Year

For those who thought markets only go up, 2018 was an unwelcome surprise. 

Great while it lasted

Photographer: Don Emmert/AFP/Getty Images
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Fidelity Investments’ quarterly data dump arrived last week, featuring loads of information about its retirement-account holders. It was eye-opening, to say the least.

Recall last summer when we noted there was about $1 trillion in 401(k) and other retirement accounts.1 The estimates from Fidelity suggested that about a million people had more than $1 million in their 401(k) accounts; about 18 percent of those accounts were Fidelity clients.