As stock and bond markets have whipsawed this year, you may be afraid to look at your 401 (k) account balance. But all of the volatility actually makes this an opportune time to look under the hood of ...

Key Takeaways An after-tax 401 (k) contribution allows you to deposit more than the $23,000 pretax limit for 2024 ($30,500 for those age 50 or older).