Investing in stock mutual funds has been nerve wracking recently. Stock prices declined 15% in a matter of just 12 trading days through August 8. Given such market conditions, investors wonder what is the best mutual fund to invest in . Following a gain of nearly 61% since 2009, AlphaProfit will reconstitute its no load fund model portfolio with new recommendations on August 18. Learn more about AlphaProfit's Free and Premium investment newsletters .