NEW YORK ( TheStreet) -- Suntech Power ( STP), Perfect World ( PWRD), Mentor Graphics ( MENT) and LDK Solar ( LDK) are among the 10 stocks reporting quarterly earnings next week.

According to analysts' estimates, the following stocks have upside potential ranging from 11% to 89%, with negligible sell ratings.
10. Toll Brothers ( TOL) designs, builds, markets and arranges financing for single-family detached and attached homes in luxury residential communities. It is also involved, directly and through joint ventures, in projects where it is building, or converting rental apartment buildings into, high-, mid- and low-rise luxury homes.

The company will report its second quarter 2011 earnings on May 25.

Net loss for the quarter is forecast at $5.9 million on sales of $323.4 million, compared to a loss of $40.4 million on $311.3 million sales recorded during 2010 second quarter, according to analysts polled by Bloomberg.

Loss per share is pegged at 4 cents, down from 24 per share reported during the comparable quarter last year.

Of the 19 analysts covering the stock, 26% recommend a buy, while 63% rate a hold. Analysts polled by Bloomberg expect the stock to gain an average 11% to $22.89 in value from current levels. Recently, analysts at Zacks Investment Research reiterated a neutral rating on the stock.

9. Perry Ellis International ( PERY) is an apparel company in the U.S. The company designs, sources, markets and licenses its products nationally and internationally at multiple price points and across all major levels of retail distribution. The company will report its first quarter 2012 earnings on May 23.

For 2012 first quarter, net income is estimated at $15.3 million on sales of $277.6 million, higher than $11.2 million recorded on $220.4 million sales for the same period in 2011, as per analysts polled by Bloomberg. Earnings per share are forecast at 98 cents for the quarter, compared to 81 cents registered in 2011.

Of the 11 analysts covering the stock, 82% recommend a buy, while 9% rate a hold. Analysts polled by Bloomberg expect the stock to gain an average 13% to $34.50 in value from current levels. Last month, analysts at Deutsche Bank initiated coverage with a buy rating on the stock and a price target of $33.

8. OmniVision Technologies ( OVTI) designs, develops and markets semiconductor image-sensor devices which capture an image electronically and are used in a number of consumer and commercial mass-market applications. The company will report its fourth quarter and full year 2011 earnings on May 26.

Fourth quarter 2011 sales are projected at $254.2 million as against $157.2 million recorded during the same period a year ago, as per analysts polled by Bloomberg. Moreover, earnings are expected to grow several times to $39 million or 64 cents per share from $3.6 million or 7 cents per share during the fourth quarter of 2010.

Full year 2011 sales are forecasted to increase 57.9% to $952 million from $603 million. Earnings are expected to surge to $146.6 million or $2.47 per share from $6.7 million or 13 cents per share reported during 2010.

Of the 11 analysts covering the stock, 64% recommend a buy, while the remaining rate a hold. There are no sell ratings on the stock. Analysts polled by Bloomberg expect the stock to gain an average 17.6% to $40.89 in value from current levels. Analysts at Lazard Capital recently initiated coverage with a buy rating on the stock and a price target of $44.

7. Suntech Power Holdings ( STP) is a solar energy company, which is engaged in the design, development, manufacturing and marketing of photovoltaic (PV) products, including a range of building-integrated PV products. It also provides engineering, procurement and construction services to building solar power systems using its own solar modules for certain related party and third party customers. The company will report its second quarter 2011 earnings on May 25.

For the first quarter of 2011, the company is expected to report a net income of $69.4 million on sales of $873.3 million, compared to $20.7 million on $588 million sales recorded during 2010 first quarter, according to analysts polled by Bloomberg. Moreover, earnings per share are pegged at 37 cents compared to 11 cents in the year-ago quarter.

Of the 42 analysts covering the stock, 21% recommend a buy, while 57% rate a hold. Analysts polled by Bloomberg expect the stock to gain an average 18.8% to $9.39 in value from current levels.

6. Perfect World ( PWRD) is an online game developer and operator in People's Republic of China. The Company develops online games based on its game engines and game development platforms. The company will report its first quarter 2011 earnings on May 23.

Sales for first-quarter 2011 are expected at $646.8 million, compared to $625 million recorded in the year-ago quarter, based on consensus estimates of analysts polled by Reuters. Earnings are projected to narrow to $193 million or $3.83 per share, compared to $305.2 million or $5.75 cents during the year-ago quarter.

Of the 23 analysts covering the stock, 61% recommend a buy, while 26% rate a hold. Analysts polled by Bloomberg expect the stock to gain an average 19.6% to $28.72 in value from current levels.

5. Mentor Graphics ( MENT) is a provider of software and hardware design solutions that enable its customers to develop electronic products. It markets its products and services worldwide, primarily to large companies in the military/aerospace, communications, computer, consumer electronics, semiconductor, networking, multimedia, and transportation industries. The company will report its first quarter 2012 earnings on May 27.

The company is expected to swing to a net income of $18.8 million on sales of $227 million, compared to a loss of $23 million on $180.6 million sales recorded during 2010 first quarter, according to analysts polled by Bloomberg. Earning per share is pegged at 17 cents, compared to a loss of 22 per share reported during the comparable quarter last year.

Of the five analysts covering the stock, 60% recommend a buy, while the remaining rate a hold. There are no sell ratings on the stock. Analysts polled by Bloomberg expect the stock to gain an average 22.2% to $18 in value from current levels.

4. Compuware Corporation ( CPWR) develops, markets and supports systems software products designed to improve the performance of IT organizations. Its software products consist of four major families: Mainframe, Vantage, Changepoint and Uniface. The company will report its fourth quarter and full year 2011 earnings on May 24.

Fourth quarter 2011 sales are projected at $250 million as against $230 million recorded during the same period a year ago, as per analysts polled by Bloomberg. However, earnings are forecasted to decline to $34 million from $37.4 million, while on a per share basis, earnings are estimated to remain flat at 16 cents.

Full year 2011 sales are forecasted to increase 4.2% to $930 million from $892.2 million. Earnings are expected to decline to $114.2 million or 52 cents per share from $140.8 million or 60 cents per share reported during 2010.

Of the seven analysts covering the stock, 86% recommend a buy, while the remaining rate a hold. There are no sell ratings on the stock. Analysts polled by Bloomberg expect the stock to gain an average 26.9% to $13.92 in value from current levels.

3. TiVo ( TIVO) is a provider of advanced television technology and services that redefines home entertainment by providing consumers with an easy way to manage, control, watch, and record live television and receive thousands of movies and television shows from cable, broadcast, and broadband sources in intuitive user interface. The company will report its first quarter 2012 earnings on May 24.

Sales for first-quarter 2012 are expected at $43.5 million, compared to $61.4 million recorded in the year-ago quarter, based on consensus estimates of analysts polled by Reuters. Loss is projected to grow to $34.8 million or 29 cents per share, compared to $14.2 million or 13 cents per share during the year-ago quarter.

Of the 13 analysts covering the stock, 46% recommend a buy, while the same rate a hold. Analysts polled by Bloomberg expect the stock to gain an average 46.6% to $13.89 in value from current levels.

2. hhgregg ( HGG) is a specialty retailer of consumer electronics, home appliances, mattresses and related services operating under the names hhgregg. It utilizes flat panel television display walls, appliance displays and digital product centers to showcase its broad selection of products with features and functionality. The company will report its fourth quarter and full year 2011 earnings on May 26.

Fourth quarter 2011 sales are projected at $511 million as against $417.3 million recorded during the same period a year ago, as per analysts polled by Bloomberg. However, earnings are forecasted to grow to $11 million or 28 cents per share from $10 million or 25 cents per share reported in the fourth quarter of 2010.

Full year 2011 sales are forecasted to soar 39.5% to $2.1 billion from $1.5 billion. Earnings are expected to increase to $44.8 million or $1.17 per share from $39.2 million or $1.03 per share reported during 2010.

Of the 18 analysts covering the stock, 22% recommend a buy, while the remaining rate a hold. There are no sell ratings on the stock. Analysts polled by Bloomberg expect the stock to gain an average 50% to $19.50 in value from current levels.

1. LDK Solar ( LDK) is a producer of solar wafers in terms of capacity, and a solar module manufacturer. It sells multicrystalline and monocrystalline wafers to manufacturers of solar cells and modules. The company will report its first quarter 2011 earnings on May 24.

Sales for first-quarter 2011 are expected to more than double to $793.1 million from $347.5 million recorded in the year-ago quarter, based on consensus estimates of analysts polled by Reuters. Earnings are projected to increase several times to $116.7 million or 83 cents per share, compared to $7.2 million or 6 cents per share during the year-ago quarter.

Of the 24 analysts covering the stock, 38% recommend a buy, while 42% rate a hold. Analysts polled by Bloomberg expect the stock to gain an average 89% to $15.48 in value from current levels.

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