Excerpt: Fidelity Investments, the world's biggest mutual fund firm, began a round of job cuts today as part of a plan to reduce its work force by 7 percent. Company revenue dropped sharply because of last year's stock market plunge. Some customers also shifted funds into safer investments with lower fees. Interestingly, the giant 401(k) provider reported 10 percent retirement plan growth last year. The number of participants in 401(k)s, 403(b)s, and other workplace savings plans increased by 5 percent to over 14.2 million customers in about 19,000 plans. Here's a look at how the average Fidelity 401(k) participant fared last year.

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