The Talkin' Cloud Stocks Index, like much of Wall Street, climbed sharply for the week ending Dec. 2, 2011. Indeed, the Talkin Cloud Stocks Index -- led by NetSuite and SuccessFactors -- rose 9.53 percent during the week. Our cloud stocks index, which includes 20 SaaS and cloud companies, is now up 15.04 percent since January 1.

Before we take a look at the biggest weekly winners, let's go over our standard disclaimers. We maintain the Talkin' Cloud Stocks Index to measure cloud hype against real-world performance, not to offer any kind of financial guidance. In other words, whether you buy, sell, or hold is your choice and your choice only.

For the week ended Dec. 1, the biggest weekly winner was NetSuite (N), which hit $43.10, up 16.42 percent for the week. Leading that charge to the top was the announcement that Goldman Sachs has started covering shares, recommending the cloud CRM/ERP provider to a "buy" rating.

Meanwhile, SuccessFactors (SFSF) was acquired by SAP over the weekend. But before that, Goldman Sachs announced it would be covering shares of the human capital management SaaS vendor, too. My guess is that it was that analyst confidence, combined with perhaps some speculation about a buyout, led SFSF to hit $26.25/share, a 16.36 percent weekly gain.

Constant Contact (CTCT) followed closely at a 15.16 percent boost to $23.02, seemingly buoyed solely by the newly-recovered general feeling of goodwill towards cloud stocks on Wall Street.

Looking ahead, we will soon replace both RightNow (recently acquired by Oracle) and SuccessFactors in our Talkin' Cloud Stocks Index. We will next update the Talkin' Clouds Stock Index after the U.S. markets close on Friday, Dec. 9.