Stocks On The Move: Activision, Costco...

Following are the week’s biggest winners and losers. Find out why shares of Activision (ATVI) and Costco (COST) popped while Comcast (CMCSA) and Macrovision (MVSN) dropped.

POPS (stocks that jumped higher)

Activision (ATVI) popped 21%. The videogame maker soared all week after it agreed to sell a controlling stake to Vivendi, creating the world's largest videogame maker.

Costco (COST)
popped 7%. The wholesaler's same-store sales increased 9% and beat analysts’ estimates.

Eli Lilly (LLY) popped 2%. The maker of Byetta, Prozac and Cialis forecast higher 2008 earnings than analysts expected and said it plans to introduce six new medicines by the time its biggest product, the antipsychotic Zyprexa, faces generic competition.

Dinner In The Sky. A Belgian businessman started a venture in which you can have dinner 120 feet in the air - for a cost of $12,000. The crane to lift the table and the chef that prepares your meal, however, are not included. To catch more on "Dinner In The Sky" check out High Net Worth on CNBC.

Rite Aid (RAD) popped 9%.Lehman Brothers reiterating its "overweight" rating on the drugstore chain – and said RAD had strengthened its competitive position and that its purchase of the Brooks and Eckerd pharmacies could boost shareholder value. – It’s one of my favorite stocks, says Guy Adami. I recommend owning it.

Papa John's (PZZA) popped 2%. The nation's 3rd largest pizza chain popped into the green for the week after it forecast a higher than expected 2008 revenue, and announced a $50 million buyback.

IMAX (IMAX) popped 56%. The operator of giant- screen movie theaters had its biggest gain ever after it announced plans to install 100 digital projection systems in AMC Theatres. The deals doubles the number of Imax screens in North America. - Sell this pop, advises Jeff Macke.

Kangaroos. Kangaroo flatulence contains no methane, making it harmless to the environment. So Australian scientists are trying to add a critical bacteria to the stomachs of cows and sheep to alter the chemical content of their flatulence to make it more "kangaroo-like."

DROPS (stocks that slid lower)

Comcast (CMCSA) dropped 11%. The nation's biggest cable TV provider dropped after cutting its 2007 forecasts for sales, new customers and cash flow. – Guy Adami thinks the stock is a buy if it drops another 50 cents.

Macrovision (MVSN) dropped 18%. The maker of anti-piracy software dropped precipitously after agreeing to buy Gemstar-TV Guide International Inc. for $2.8 billion in cash and stock.

MBIA (MBI) dropped 18%. The world's largest bond insurer is trying raise capital to protect its AAA credit rating from a possible downgrade by Moody's. – It’s a bear story, adds Karen Finerman.

Palm Inc. (PALM) dropped 17%. Shares fell after shipping delays and high warranty costs led to an unexpected Q2 loss. – The stock has a real problem, according to Pete Najarian

Cascade (CAE) dropped 12%.The maker of equipment for forklifts posted earnings that missed analysts' estimates - the cause: slowing North American revenues.

Sirius Satellite Radio (SIRI) dropped 6%.Heading into last weekend, it looked like a deal between Sirius and XM would finally be announced -- but its been 'radio silence' ever since and the shares have fallen.

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Trader disclosure: On Dec. 7, 2007, the following stocks and commodities mentioned or intended to be mentioned on CNBC’s Fast Money were owned by the Fast Money traders; Macke Owns (INTC), (ATVI), (DIS); Najarian Owns (TGT) Options, (XMSR) Options, (BSC) Options, (EMC) Options; Finerman's Firm And Finerman Own (GS), (PLCE),(EL),(CROX),(JWN); Finerman's Firm Owns (KSS), (SKS), (WMT); Finerman's Firm Is Short (SPY), (IJR), (IYR); Finerman's Firm Owns Russell 2000 Puts; Finerman's Firm Is Short (MDY) And Owns (MDY) Puts; Finerman's Firm Is Short (LEH) And Owns (LEH) Puts; Finerman's Firm Owns (BIIB) Options; Vivendi Owns 20% Of NBC Universal, The Parent Company Of CNBC; NBC Universal Is The Parent Company Of CNBC