BOSTON (TheStreet) -- Stocks in the U.S. gained today, motivated by a new plan to alleviate Greek debt woes. Here are three stocks that rose to 52-week highs. They earn "buy" recommendations from our quantitative stock model.

3.

Toy designer

Hasbro

(HAS) - Get Report

increased

2.4%

to

$36.14

. Shares of the Pawtucket, R.I.-based company climbed 14% over the past month.

The numbers

: Fourth-quarter profit soared 77% to $166 million, or $1.09 a share, as revenue grew 12% to $1.4 billion. Hasbro's operating margin widened from 12% to 18%. Its 2.2 quick ratio reflects ample liquidity. Its 0.7 debt-to-equity ratio is less than the industry average, indicating fiscal prudence.

The stock

: Hasbro soared

50%

during the past year, outpacing major U.S. indices. The stock trades at a price-to-projected-earnings ratio of 12, a discount to the leisure-products peer group average of 17. Hasbro offers a 2.3% dividend yield and has a beta, a measure of market correlation, of 1.1, tending to mirror indices' direction.

2.

Chinese Internet search engine

Baidu

(BIDU) - Get Report

rose

1.1%

to

$487.46

. Depository receipts of the Beijing-based company rallied 22% during the past month.

The numbers

: Fourth-quarter profit increased 50% to $63 million, or $1.80 a share, as revenue climbed 41% to $185 million. Baidu's operating margin extended from 34% to 37%. The company boasts an ideal financial position, with $671 million of cash and no debt or interest expenses. The model awards Baidu a financial-strength score of 9.8 out of 10.

The stock

: Baidu surged

262%

during the past year, outperforming U.S. benchmarks. The stock is expensive based on all of our valuation measures, including trailing earnings, projected earnings, book value, sales and cash flow. Its PEG ratio, a measure of value relative to growth, is exorbitant at 1.7. By comparison, the industry average is 1.3.

1.

Managed-health-care company

WellPoint

(WLP)

increased

0.9%

to

$60.52

. Shares of the Indianapolis-based company fell 5.9% in the past month.

The numbers

: Fourth-quarter profit multiplied eight-fold to $2.7 billion, or $5.95 a share, as revenue inched up 1.2% to $15 billion. WellPoint's operating margin widened from 4.1% to 5.8%. The company holds $22 billion of cash and $8 billion of debt. The model awards WellPoint a financial-strength score of 8.9 out of 10.

The stock

: WellPoint advanced

38%

in the past year, beating major U.S. indices. The stock trades at a price-to-earnings ratio 6, representing a significant discount to the health-care-services peer group average of 16. Its 1.1 book-value multiple is low when considering the company's 19% quarterly return on equity.

-- Reported by Jake Lynch in Boston.