BOSTON ( TheStreet) -- Small-cap stocks have suffered a technical breakdown this quarter, with the Russell 2000 Index sliding 3.7% as blue-chips advance. If the market snaps back, these stocks are due for big gains. These companies offer outstanding fundamentals and have earned "buy" ratings from our quantitative model. They're ordered by their potential to appreciate, starting with the company with the biggest growth prospects. American Physicians Service Group ( AMPH) sells medical liability insurance and manages investments. The numbers: Third-quarter net income fell 10% to $6.4 million, or 92 cents a share, as revenue grew 13% to $22 million. The company's gross margin fell from 64% to 49%, and its operating margin decreased from 56% to 43%. American Physicians has an admirable financial position, with $17 million of cash and $6.6 million of debt. The stock: American Physicians has risen 11% this year, underperforming major U.S. benchmarks. The stock trades at a price-to-earnings ratio of 9, a discount to the market and insurers. The shares pay a 1.3% dividend yield.