Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

which types of investments should be choosen for 401k at early 20's?
Split your contributions evenly across the funds on that list with the word "core" or "S&P" in the name.  Maybe add "International Large Cap Index".  Leave it & rebalance occasionally.  Read a book on Modern Portfolio Theory sometime in the next 5 years.