BOSTON ( TheStreet) - The Russell Mid-Cap Index has outpaced broader averages this year, and these five stocks are positioned to keep gaining.

The following mid-cap companies are rated "buy" by our quantitative model, which considers more than 60 factors, and are poised to outperform U.S. benchmarks. They're ordered by their potential to appreciate.

Monro Muffler Brake ( MNRO - Get Report) repairs cars and sells tires.

The numbers: Fiscal second-quarter profit increased 30% to $10 million, or 49 cents a share, as revenue grew 14% to $137 million. Monro's gross margin fell from 46% to 43%, but its operating margin rose from 11% to 13%. The company holds $4 million of cash, compared to $83 million of debt. A debt-to-equity ratio of 0.4 indicates reasonable leverage.

The stock: Monro Muffler Brake is up 25% this year, beating the Dow Jones Industrial Average and S&P 500 Index. The stock trades at a price-to-earnings ratio of 23, a premium to the market and auto retailers. The shares pay a 0.9% dividend yield.

Balchem ( BCPC - Get Report) sells specialty chemicals.

The numbers: Third-quarter net income increased 43% to $6.9 million, or 36 cents a share, as revenue dropped 7% to $54 million. Balchem's gross margin rose from 25% to 30%, and its operating margin ascended from 12% to 19%. The company has an admirable financial position, with $39 million of cash and $6.6 million of debt.

The stock: Balchem has risen 12% this year, matching the Dow Jones Industrial Average. The stock trades at a price-to-earnings ratio of 22, a premium to the market, but a discount to chemical peers. The shares pay a 0.4% dividend yield.

Tyler Technologies ( TYL - Get Report) provides information technology services to government agencies.

The numbers: Third-quarter net income rose 18% to $7.5 million and earnings per share climbed 25% to 20 cents, boosted by a lower share count. Revenue grew 8% to $74 million. The company's gross margin remained steady at 47%, and its operating margin was unchanged at 17%. Tyler Technologies has a strong financial position, with $7.9 million of cash and $2.1 million of debt.

The stock: Tyler Technologies has rallied 58% this year, beating major U.S. indices. The stock trades at a price-to-earnings ratio of 27, a premium to the market, but a discount to application software peers. The company doesn't pay dividends.

Sybase ( SY) designs mobile and business software.

The numbers: Third-quarter net income increased 20% to $39 million, or 43 cents a share, as revenue grew 3% to $293 million. Sybase's gross margin dropped from 78% to 77%, but its operating margin rose from 19% to 24%. The company has a stable financial position, with $1.1 billion of cash and $744 million of debt.

The stock: Sybase has advanced 60% this year, beating major U.S. indices. The stock trades at a price-to-earnings ratio of 22, a premium to the market, but a discount to systems software peers. The company doesn't pay dividends.

Check Point Software Technologies ( CHKP - Get Report) sells security software.

The numbers: Third-quarter net income increased 14% to $91 million, or 43 cents a share, as revenue grew 17% to $234 million. The company's gross margin declined from 94% to 92%, but its operating margin remained steady at 45%. Check Point has an ideal financial position, with $957 million of cash and no debt.

The stock: Check Point has increased 64% this year, outpacing major U.S. indices. The stock trades at a price-to-earnings ratio of 20, on par with the market, but a discount to systems software peers. The company doesn't pay dividends.

-- Reported by Jake Lynch in Boston.