
401(k) retirement accounts are among the most powerful investment tools for US workers, given the high annual contribution limits, tax benefits, and free money from employer-matching options.
More millennials are tapping into the potential of 401(k) accounts. Fidelity Investments data show that the number of millennials with 401(k) account balances above £798,170 ($1 million) increased by 400% year-over-year in Q3 to 10,000 from 2,000.