CHICAGO, IL -- (Marketwire) -- 12/04/12 -- Street-Wire.com has just rated STSI, GFA, QIHU and EFX this morning to their Daily Watch List as the companies are all showing irregular market movement. Rating can mean a number of things for investors and we encourage all shareholders to sign up to www.street-wire.com to speak to a member of our research team today.

Star Scientific Inc. (NASDAQ: STSI), which engages in the manufacture, distribution, and sale of consumer products, dietary supplements, and dissolvable tobacco, was amongst yesterday's top gainers. The stock was up 5.28%.

STSI has come under our radar and we have issued a new rating for this equity. Sign up for free below to find out more.

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Brazil-based Gafisa S.A. (NYSE: GFA) was up 6 percent as construction spending for October came in 9.6% higher year-over-year, according to the Commerce Department. This was the uppermost rate in the last 37 months.

GFA has met 7 out of 10 characteristics we look for when rating an equity. Sign up for free below to find out more.

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Qihoo 360 Technology Co. Ltd. (NYSE: QIHU) is seeing a bull's run of late and yesterday the stock was up close to 10% with daily volume exceeding 11 million.

QIHU has met 9 out of 10 characteristics we look for when upgrading an equity. Sign up for free below to find out more.

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Equifax Inc. (NYSE: EFX) reached a new52-week high yesterday following the announcement that its subsidiary, Equifax Information Services LLC, has entered into a definitive asset purchase agreement with CSC Credit Services Inc., a subsidiary of Computer Sciences Corporation, to purchase certain credit services business assets and operations of CSC.

EFX has been upgraded today. Sign up for free below to find out more.

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