Editor's note: The following are questions received from viewers of "Mad Money," seen every day at 6 p.m. EST on CNBC.

UnitedHealth Group (UNH) - Get Report appears to be rebounding. What is your outlook for the stock, given the ongoing options investigation?-- Butch from New Jersey

Jim Cramer

: First of all, I own this stock in my charitable trust,

Action Alerts PLUS. In my opinion, UnitedHealth has bottomed out for the time being. The managed health group looks particularly cheap, and management has handled the investigation as best as can be expected.

Based on your investment guidelines, I'm probably better off starting investing in mutual funds. What is your favorite choice for college students?-- Alex from Pennsylvania

Jim Cramer

: I believe that younger investors can afford to take on relatively more risk. With that in mind, my favorite mutual fund is

Legg Mason Partners Aggressive Growth

(SHRAX), where manager Richie Freeman has an outstanding track record over the past two decades.

Want more Cramer? Check out Jim's rules and commandments for investing from his latest book by

clicking here

.

At the time of publication, Cramer was long UnitedHealth Group

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