8. FIDELITY GROWTH COMPANY FUND ( FDGRX) Return: 16% Assets: $35 billion Manager: Steven Wymer, since January 1997 Top stocks:Apple ( AAPL), 5.5%, Salesforce.com ( CRM), 4%, and Google ( GOOG), 3% Big winner:Riverbed Technology ( RVBD) develops technologies that increase the performance of wide-area computer networks, and are also used in cloud computing. The company makes up 0.85% of the fund, and its shares have tripled this year. Strategy: With 301 stocks, only 25% of the fund in its top 10 holdings and a portfolio turnover of 65%, Wymer is one busy guy. Computer hardware is the largest sector allocation, at 19.8%, followed by health care, at 16.6%. Indicative of the size and scope of the portfolio, its holdings range from Exxon Mobil ( XOM), with a $360 billion market cap, to a huge bet on up-and-comer Red Hat Technologies ( RHT), valued at $8.9 billion. The fund lost 40% in 2008 and about as much the following year.