Money Stock market’s end-of-year swoon shrank 401(k) millionaire’s club January 31, 2019 Janna Herron, USA TODAY Comments Off on Stock market’s end-of-year swoon shrank 401(k) millionaire’s club The number of 401(k) millionaires, which had reached a record high, fell at the end of 2018 because of the retreat in stocks, according to Fidelity.