Pops & Drops: Nucor, Amylin...

Following are the week’s biggest winners and losers. Find out why shares of Nucor and Amylin popped while FedEx and JPMorgan dropped.

POPS (stocks that jumped higher)

S&P Homebuilders ETF (XHB) popped 5%. The homebuilders enjoyed a boost this week as mortgage rates dropped. – Lower mortgage rates are a good thing, says Karen Finerman.

iShares MSCI Emerging Markets ETF (EEM) popped 9%. The emerging markets gained on hopes Obama's infrastructure package will spur growth worldwide. – It’s about risk being put back on, says Tim Seymour.

General Growth Properties (GGP) popped 25%. The REIT said it had paid off one looming debt and is in continuing talks with lenders to extend loans on two Las Vegas malls. – I’d stay away, counsels Karen Finerman.

Nucor Corp (NUE) popped 20%. Analysts said that steel prices may stop falling soon. – It’s up 75% in a month, says Guy Adami. I’d take some off the table.

Amylin Pharmaceuticals (AMLN) popped 31%. Partner Eli Lilly reaffirmed its commitment to ask for regulatory approval of their once-weekly diabetes drug. – Good stuff is happening there, says Pete Najarian.

Time Warner (TWX) popped 5%. The media conglomerate said that the spin off of its cable business is on track to close in early 2009. – I don’t have much to say about this stock, muses Karen Finerman.

ConocoPhillips (COP) popped 7%. The oil company popped this week as oil prices rose. – I think the stock is cheap, says Tim Seymour.

NYSE Euronext (NYX) popped 28%. Speculation surfaced that Deutsche Boerse and NYSE had contacted each other about a possible merger. – I think the stock was probably oversold and that's why it bounced, says Pete Najarian.

DROPS (stocks that slid lower)

FedEx (FDX) dropped 16%. The second-biggest US package-shipping company slashed its '09 forecast. – It’s a big drop, says Pete Najarian.

JPMorgan (JPM) dropped 7%. CEO Jamie Dimon expressed concern about 2009 and UBS slashed the company’s price target. – Dimon is very frank, says Tim Seymour. But it’s still a best of breed stock.

Burlington Northern (BNI) dropped 4%. A Goldman analysts predicted North American railroad shipments will continue to slow in 09. – Goldman has been late to the game. Actually, I think it could be a buy signal, says Guy Adami.

Procter & Gamble (PG) dropped 5%. The consumer staple giant said it will miss growth range estimates and UBS cut its price target on the company. – I like Church & Dwight better, says Guy Adami.

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Trader disclosure: On Dec. 12th, 2008, the following stocks and commodities mentioned or intended to be mentioned on CNBC’s Fast Money were owned by the Fast Money traders; Adami Owns (AGU), (BTU), (C), (GS), (INTC), (MSFT), (NUE); Najarian Owns (FCX); Najarian Owns (DRYS) And Is Short (DRYS) Calls; Najarian Owns (NUE) And Is Short (NUE) Calls; Najarian Owns (UYG) Calls; Najarian Owns (XHB) Calls; Finerman's Firm Owns (DSX), (MSFT), (UNH), (IBB); Finerman's Firm Is Short (USO), (BBT), (COF), (IYR), (IJR), (MDY), (SPY), (IWM); Seymour Owns (AAPL), (BAC), (F), (INTC), (MER); Seygem Asset Management Owns (EEM)