Why 401(k) plans are the 'final frontier' for exchange-traded funds – CNBC

Momo Production | Digital Vision | Getty Images While many investors are flocking to exchange-traded funds (ETFs), they're not as popular among 401(k) plan participants. Exchange-traded funds (ETFs) emerged in the early 1990s and have since amassed about $10 trillion. Mutual funds hold about $20 trillion, but ETFs are slowly losing their dominance. ETFs now […]