USAA Investments is adding six target-risk mutual funds to its portfolio.

The funds include: USAA Cornerstone Conservative Fund (USCCX); USAA Cornerstone Moderately Conservative Fund (USMCX); USAA Cornerstone Moderate Fund (USBSX); formerly the USAA Balanced Strategy Fund; USAA Cornerstone Moderately Aggressive Fund (USCRX); formerly the USAA Cornerstone Strategy Fund; USAA Cornerstone Aggressive Fund (UCAGX) and the USAA Cornerstone Equity Fund (UCEQX).

Participation in the funds requires a low minimum investment of $500, with an automatic investment of $50 a month.

"In an era of ongoing volatility, investors told us they wanted investments that helped them manage their risk exposure," stated Dan McNamara, president of USAA Investments.

USAA Investments currently has over $50 billion in mutual fund assets under management.

Hung Tran writes for Money Management Executive.