BOSTON (TheStreet) -- Lowe's (L) - Get Report, Agilent Technologies (A) - Get Report and China Sunergy (CSUN) had their ratings changed by TheStreet's stock model.

The model upgraded solar-cell maker China Sunergy to "hold."

Quarter

: China Sunergy swung to a first-quarter profit of $7.1 million, or 18 cents, from a loss of $16 million, or 40 cents, a year earlier. Revenue nearly tripled. The operating margin turned positive. The company has $200 million of cash and $152 million of debt.

Stock

: China Sunergy has advanced 29% during the past year, beating the

S&P 500 Index

. It trades at a price-to-projected-earnings ratio of 9.9 and a price-to-book ratio of 1, 43% and 69% discounts to peer averages. The shares are also cheap based on sales.

Consensus

: Of analysts covering China Sunergy, two advise purchasing its shares and four recommend holding them.

Lazard Capital Markets

expects the stock to double to $8.

Barclays

(BCS) - Get Report

predicts that the shares will climb another 25% to $5.

The model upgraded electronic-equipment maker Agilent Technologies to "buy."

Quarter

: Agilent swung to a fiscal second-quarter profit of $108 million, or 31 cents, from a loss of $101 million, or 29 cents, a year earlier. Revenue grew 16%. The operating margin extended from 4.7% to 15%. Agilent has $4.2 billion of cash and $2.9 billion of debt.

Stock

: Agilent has gained 84% during the past 12 months, outpacing U.S. benchmarks. It sells for a price-to-projected-earnings ratio of 17, a 19% discount to the industry average. The shares are expensive based on book value, sales and cash flow.

Consensus

: Of researchers following Agilent, six rate its stock "buy," one rates it "hold" and one ranks it "sell."

Credit Suisse

(CS) - Get Report

offers a price target of $40, leaving a potential 21% return.

Thomas Weisel

( TWPG) believes the stock will rise to $37.

The model upgraded home-improvement retailer Lowe's to "buy."

Quarter

: Fiscal first-quarter profit increased 2.7% to $489 million, or 34 cents, as revenue expanded 4.7%. The operating margin remained steady at 7%. Lowe's has $3.4 billion of cash and $6.1 billion of debt, translating to a debt-to-equity ratio of 0.3.

Stock

: Lowe's has appreciated 26% during the past year, matching the S&P 500. It trades at a price-to-projected-earnings ratio of 15 and a price-to-cash-flow ratio of 8.2, 13% and 30% discounts to peer averages. It's also cheap based on book value.

Consensus

: Of firms rating Lowe's, 18 advise purchasing its shares, 10 recommend holding and one says to sell them.

Oppenheimer

forecasts that the stock will climb 52% to $38.

UBS

(UBS) - Get Report

predicts it will touch $31.50 and

Deutsche Bank

(DB) - Get Report

says $31.

-- Reported by Jake Lynch in Boston.