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Best Stocks By Sector: This Week's Best Technology Stocks - (CALX, VELT, NOK, ISS, YOKU)

|Includes:AUO, ENTR, FNSR, FSLR, GRPN, IL, ISS, NOK, PFPT, RDA, SIFY, STM, YOKU

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Here we've listed the best performing stocks in the Technology sector, based on their performance over the last week.

The stocks listed below have been ranked by stock performance relative to their industry competitors.

We've also included links to company websites and industry descriptions, if you'd like more information.

From the Archives: Top Weekly Returns in Technology Sector

All data current as of 9/13/2012.

1. Calix Inc. (NYSE:CALX): Returned 23.14% over the last week vs. an industry average of 4.16%. (Industry: Communication Equipment. Alpha vs. industry at 18.98%, based on average of 27 companies)

2. Velti Plc (VELT): Returned 19.03% over the last week vs. an industry average of 1.8%. (Industry: Business Software & Services. Alpha vs. industry at 17.23%, based on average of 36 companies)

Provides mobile marketing and advertising solutions for mobile operators, ad agencies, brands, and media groups.

3. Nokia Corporation (NYSE:NOK): Returned 19.51% over the last week vs. an industry average of 4.16%. (Industry: Communication Equipment. Alpha vs. industry at 15.35%, based on average of 27 companies)

Provides Internet and digital mapping and navigation services worldwide.

4. Isoftstone Holdings Limited (NYSE:ISS): Returned 17.72% over the last week vs. an industry average of 2.83%. (Industry: Information Technology Services. Alpha vs. industry at 14.89%, based on average of 19 companies)

Provides various information technology (NYSE:IT) services and solutions in the Greater China and internationally.

5. Youku Inc. (NYSE:YOKU): Returned 16.38% over the last week vs. an industry average of 2.22%. (Industry: Internet Information Providers. Alpha vs. industry at 14.16%, based on average of 23 companies)

Operates as an Internet television company in the People's Republic of China.

6. Proofpoint, Inc. (NASDAQ:PFPT): Returned 15.45% over the last week vs. an industry average of 1.87%. (Industry: Application Software. Alpha vs. industry at 13.58%, based on average of 55 companies)

7. AU Optronics Corp. (NYSE:AUO): Returned 15.17% over the last week vs. an industry average of 2.49%. (Industry: Semiconductors. Alpha vs. industry at 12.68%, based on average of 21 companies)

Develops, produces, and sells thin film transistor liquid crystal displays (TFT-LCDs) and other flat panel displays to original equipment manufacturing service providers.

8. Sify Technologies Limited (NASDAQ:SIFY): Returned 19.82% over the last week vs. an industry average of 8.45%. (Industry: Internet Service Providers. Alpha vs. industry at 11.37%, based on average of 3 companies)

Provides enterprise and consumer Internet services primarily in India.

9. Finisar Corp. (NASDAQ:FNSR): Returned 13.42% over the last week vs. an industry average of 2.32%. (Industry: Networking & Communication Devices. Alpha vs. industry at 11.1%, based on average of 10 companies)

Designs, develops, manufactures, and markets optical subsystems and components that are used to interconnect equipment in short-distance local area networks (LANs), storage area networks (SANs), longer distance metropolitan area networks (MANs), fiber-to-the-home networks, cable television networks, and wide area networks. (Link to Finisar Corp. website)

10. Groupon, Inc. (NASDAQ:GRPN): Returned 12.53% over the last week vs. an industry average of 2.22%. (Industry: Internet Information Providers. Alpha vs. industry at 10.31%, based on average of 23 companies)

11. STMicroelectronics NV (NYSE:STM): Returned 12.61% over the last week vs. an industry average of 2.49%. (Industry: Semiconductors. Alpha vs. industry at 10.12%, based on average of 21 companies)

Engages in the design, development, manufacture, and marketing of a range of semiconductor integrated circuits and discrete devices.

12. IntraLinks Holdings, Inc. (NYSE:IL): Returned 13.26% over the last week vs. an industry average of 3.27%. (Industry: Security Software & Services. Alpha vs. industry at 9.99%, based on average of 8 companies)

Provides software-as-a-service (SaaS) solutions for securely managing content, exchanging critical business information, and collaborating within and among organizations worldwide. (Link to IntraLinks Holdings, Inc. website)

13. First Solar, Inc. (NASDAQ:FSLR): Returned 12.86% over the last week vs. an industry average of 2.99%. (Industry: Semiconductors. Alpha vs. industry at 9.87%, based on average of 20 companies)

First Solar, Inc. manufactures and sells solar modules using a thin-film semiconductor technology. (Link to First Solar, Inc. website)

14. RDA Microelectronics, Inc. (NASDAQ:RDA): Returned 9.87% over the last week vs. an industry average of 0.61%. (Industry: Semiconductors. Alpha vs. industry at 9.26%, based on average of 25 companies)

Designs, develops, and markets radio-frequency and mixed-signal semiconductors for cellular, broadcast, and connectivity applications.

15. Entropic Communications, Inc. (NASDAQ:ENTR): Returned 11.63% over the last week vs. an industry average of 2.49%. (Industry: Semiconductors. Alpha vs. industry at 9.14%, based on average of 21 companies)

Designs, develops, and markets systems solutions to enable connected home entertainment. (Link to Entropic Communications, Inc. website)

16. The KEYW Holding Corporation (NASDAQ:KEYW): Returned 12.15% over the last week vs. an industry average of 3.27%. (Industry: Security Software & Services. Alpha vs. industry at 8.88%, based on average of 8 companies)

Provides mission-critical cybersecurity and cyber superiority solutions to defense, intelligence, and national security agencies in the United States. (Link to The KEYW Holding Corporation website)

17. Himax Technologies, Inc. (NASDAQ:HIMX): Returned 11.8% over the last week vs. an industry average of 2.99%. (Industry: Semiconductors. Alpha vs. industry at 8.81%, based on average of 20 companies)

Designs, develops, and markets semiconductors for flat panel displays.

18. AVG Technologies N.V. (NYSE:AVG): Returned 9.99% over the last week vs. an industry average of 1.87%. (Industry: Application Software. Alpha vs. industry at 8.12%, based on average of 55 companies)

19. GT Advanced Technologies Inc. (GTAT): Returned 11.05% over the last week vs. an industry average of 2.99%. (Industry: Semiconductors. Alpha vs. industry at 8.06%, based on average of 20 companies)

Provides polysilicon production technology and multicrystalline ingot growth systems, and related photovoltaic (PV) manufacturing services for the solar industry worldwide. (Link to GT Advanced Technologies Inc. website)

Disclosure: I have no positions in any stocks mentioned, and no plans to initiate any positions within the next 72 hours.

Stocks: CALXF, NOK, ISS, YOKU, PFPT, AUO, SIFY, FNSR, GRPN, STM, IL, FSLR, RDA, ENTR