4. First Solar, Inc. ( FSLR): Manufactures and sells solar modules using a thin-film semiconductor technology.  First Solar restructured its business successfully, concentrating only on large, profitable contracts. In February, management forecast weak second-half results. The company is also targeting a book-to-bill ratio of 1. In 2012, the ratio was 0.8.

5. SunPower Corporation ( SPWR): A vertically integrated solar products and services company that designs, manufactures and delivers solar electric systems worldwide for residential, commercial and utility-scale power plant customers.

Other Solar Power Companies

6. Trina Solar Limited ( TSL): An integrated solar-power products manufacturer based in China with a global distribution network covering Europe, North America and Asia. 

7. LDK Solar Co., Ltd. ( LDK): Engages in the design, development, manufacture, and marketing of photovoltaic (PV) products; and development of power plant projects.  The Company's products include Polysilicon, Solar Wafers, Solar Cells, Solar Modules and Solar Farm Projects.

8. JinkoSolar Holding Co., Ltd. ( JKS): Engages in the manufacture and sale of solar power products in China and internationally.  JKS has built a vertically integrated solar product value chain from recovered silicon materials to solar modules. Its principal products are silicon wafers, solar cells and solar modules.

More Charts:

Interactive Chart: Use the Turbo Chart to compare the stock performance of SPWR and FSLR against the performance of the S&P 500 Index (SPX):

Written by Chris Lau, KAPITALL Contributor

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