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BOSTON (

TheStreet

) -- The following companies have market caps over $10 billion and receive "buy" ratings from our proprietary quantitative model, which considers more than 60 factors. They're ordered by their potential to appreciate, starting with the company with the best growth prospects.

DirecTV

(DTV)

provides digital entertainment through its satellite system.

The numbers

: Second-quarter net income fell 11% to $407 million, but earnings per share remained flat at 40 cents, helped by a lower share count. Revenue grew 9% to $5.2 billion. Its gross margin decreased from 52% to 51% and its operating margin fell from 17% to 13%. A quick ratio of 1 indicates adequate liquidity. A debt-to-equity ratio of 1.3 demonstrates higher-than-ideal leverage.

The stock

: DirecTV has ascended 21% this year, more than the

Dow Jones Industrial Average

and

S&P 500 Index

. The stock trades at a price-to-earnings ratio of 22, a premium to the market and cable and satellite peers. The company doesn't pay dividends.

McDonald's

(MCD) - Get Report

sells hamburgers, soft drinks and other food products.

The numbers

: Second-quarter net income fell 8% to $1.1 billion and earnings per share dropped 6% to 98 cents, cushioned by a lower share count. Revenue declined 7% to $5.6 billion. Its gross margin climbed from 42% to 44% and its operating margin rose from 27% to 29%. A quick ratio of 1.1 reflects adequate liquidity. A debt-to-equity ratio of 0.8 demonstrates reasonable leverage.

The stock

: McDonald's is down 8% this year, trailing major U.S. indices. The stock trades at a price-to-earnings ratio of 15, a discount to the market and restaurant peers. Shares pay a 3.8% dividend yield.

TJX Companies

(TJX) - Get Report

sells clothing and household items through its T.J. Maxx, Marshall's and HomeGoods chains.

The numbers

: Fiscal second-quarter net income increased 31% to $262 million and earnings per share climbed 27% to 61 cents, restrained by a higher share count. Revenue jumped 4% to $4.7 billion. Its gross margin rose from 27% to 28% and its operating margin ascended from 7% to 9%. A quick ratio of 0.5 indicates weak liquidity. A debt-to-equity ratio of 0.4 demonstrates conservative leverage.

The stock

: TJX has ascended 86% this year, beating major U.S. indices. The stock trades at a price-to-earnings ratio of 17, a discount to the market and apparel retail peers. Shares pay a 1.3% dividend yield.

Coca-Cola

(KO) - Get Report

sells beverage concentrates and syrups worldwide.

The numbers

: Second-quarter profit increased 43% to $2 billion, or 88 cents a share. Revenue dropped 9% to $8.3 billion. Its gross margin declined from 69% to 68% and its operating margin fell from 31% to 30%. A quick ratio of 0.9 indicates less-than-ideal liquidity. A debt-to-equity ratio of 0.5 reflects conservative leverage.

The stock

: Coca-Cola has increased 20% this year, outpacing the Dow and S&P 500. The stock trades at a price-to-earnings ratio of 20, indicating parity with the market and soft-drink peers. Shares pay a 3% dividend yield.

Medco Health Solutions

(MHS)

is one of the largest pharmacy-benefit managers in the U.S.

The numbers

: Second-quarter net income rose 19% to $312 million and earnings per share jumped 26% to 64 cents, boosted by a lower share count. Revenue increased 17% to $15 billion. Its gross margin was little changed at 7% and its operating margin remained steady at 4%. Medco has less-than-ideal liquidity, reflected in its quick ratio of 0.9. A debt-to-equity ratio of 0.8 indicates reasonable leverage.

The stock

: Medco has advanced 31% this year, beating the Dow and S&P 500. The stock trades at a price-to-earnings ratio of 23, a premium to the market and health-care peers. The company doesn't pay dividends.

TSC Ratings was given an award this year for "Best Stock Selection" among independent research providers by BNY ConvergEx Group. A rating can be viewed for any stock through our

screener

. Ratings are derived from a variety of fundamental and pricing figures and represent our opinion of risk-adjusted performance. However, the rating doesn't incorporate all factors that can alter a stock's performance.

-- Reported by Jake Lynch in Boston.