BOSTON (

TheStreet

) -- The

Russell Mid-Cap Index

is outpacing the blue-chip

Dow Jones Industrial Average

and

S&P 500 Index

this year. Shares of the following moderately-sized companies are likely to outperform in 2010.

5. Silgan Holdings

(SLGN) - Get Report

sells metal and plastic packaging.

The numbers

: Third-quarter profit advanced 38% to $74 million, or $1.91 a share. Revenue ascended 5% to $1 billion. Silgan's operating margin stretched from 11% to 13%. The company has an adequate liquidity position, evident in its quick ratio of 1.3. Its 1.4 debt-to-equity ratio is higher than ideal.

The stock

: Silgan Holdings has increased 21% this year, lagging behind major U.S. indices. The stock trades at a price-to-earnings ratio of 14, a discount to containers and packaging peers. Shares offer a 1.3% dividend yield.

4. DeVry

(DV)

is a for-profit higher-education company.

The numbers

: Fiscal first-quarter profit increased 57% to $55 million, or 76 cents a share. Revenue grew 42% to $431 million. DeVry's operating margin rose from 15% to 18%. A quick ratio of 0.9 indicates less-than-ideal liquidity. A debt-to-equity ratio of 0.1 demonstrates modest leverage.

The stock

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: DeVry has fallen 1% this year, underperforming major U.S. indices. The stock trades at a price-to-earnings ratio of 22, on par with diversified-consumer-services peers. Shares offer a 0.4% dividend yield.

3. Prosperity Bancshares

(PRSP) - Get Report

is a Texas-based bank company.

The numbers

: Third-quarter profit surged 90% to $29 million, or 63 cents a share. Revenue grew 39% to $117 million. Prosperity's operating margin stretched from 36% to 48%. The bank is adequately capitalized, with $157 million of cash and short-term investments. Its 0.3 debt-to-equity ratio indicates modest leverage.

The stock

: Prosperity Bancshares has risen 37% this year, outpacing the Dow and S&P 500. The stock trades at a price-to-earnings ratio of 18, a discount to commercial-bank peers. Shares offer a 1.5% dividend yield.

2. Church & Dwight

(CHD) - Get Report

sells household products.

The numbers

: Third-quarter net income soared 43% to $70 million, or 98 cents a share. Revenue inched up 2% to $646 million. Church & Dwight's operating margin widened from 15% to 18%. A quick ratio of 1.1 indicates adequate liquidity. A debt-to-equity ratio of 0.5 reflects conservative leverage.

The stock

: Church & Dwight has climbed 9% this year, less than major U.S. indices. The stock trades at a price-to-earnings ratio of 19, a premium to household products peers. Shares offer a 0.9% dividend yield.

1. Balchem

(BCPC) - Get Report

sells specialty chemicals.

The numbers

: Third-quarter profit increased 43% to $6.9 million, or 36 cents a share. Revenue dropped 7% to $54 million. Balchem's operating margin stretched 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 advanced 37% this year, more than the Dow and S&P 500. The stock trades at a price-to-earnings ratio of 26, a premium to chemical peers. Shares offer a 0.3% dividend yield.

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