4. GSI Technology ( GSIT) designs static random-access-memory products for networking and telecom markets. Its fiscal second-quarter profit doubled to $5.3 million, or 18 cents a share, as revenue soared 82% to $27 million. The operating margin widened from 12% to 25%. GSI holds $47 million of cash and equivalents, converting to a quick ratio of 2.8, and no debt. Its stock trades at a trailing earnings multiple of 13, a forward earnings multiple of 10, a book value multiple of 1.8 and a sales multiple of 2.2, 34%, 25%, 54% and 33% discounts to industry averages. Expected Return: The model forecasts that GSI Technology's stock will gain 33% to $9.28.