Pops & Drops: Thornburg Mortgage, Pfizer...

Following are the day’s biggest winners and losers. Find out why shares of Thornburg Mortgage and Dendreon popped while Pfizer and Tesoro dropped.

POPS (stocks that jumped higher)

Thornburg Mortgage popped 86%. Shares of the mortgage company popped over 100% (at one point) for the second day in a row. – It’s starting to look a little better, says Tim Seymour.

Dendreon popped 7%. The FDA agreed to an accelerated timeline for the biotech's clinical trial of Provenge, a prostate cancer drug. – Be careful with this stock, counsels Pete Najarian.

Capital One popped 3%. The credit card company said that the rate of bad loans in its managed portfolio fell to 3.79% from 3.99% in January. – I was surprised, says Karen Finerman.

Cameron International Corp. popped 7%. The oilfield equipment maker received its biggest contract ever, $650 million from Total SA for a project off the Nigerian coast. – Interesting stock, says Guy Adami.

Barry Diller. "Astrologer to the Stars" Susan Miller foresees the fates of Wall Street's most discussed CEOs in this week's New York Magazine. Among her predictions: The immediate future for Barry Diller’s IAC "is looking pretty awesome." She also said Blackstone's Steve Schwartzman made a deal on December 11th which "will take time to fully blossom and will exceed expectations."

Garmin popped 5%. The GPS navigation firm popped after positive comments from Barron's Weekly. – It could be a little overdone to the downside, says Karen Finerman.

Cash America International popped 5%. A pop for pawn shops, as this chain (the world's largest) was raised to "market outperform'' from "market perform'' at JMP Securities. – You know things are bad when a pawn shop does well, says Guy Adami.

Private Jet Johns. The "mile high club" meets the Emperor's Club: Wealth research firm Prince & Associates surveyed 661 people who owned private jets, finding that 34% of males and 20% of females had paid for sex.

DROPS (stocks that slid lower)

Pfizer dropped 2%. The pharmaceutical giant dropped on virtually no news. – Not very nice, says Pete Najarian.

Tesoro dropped 10%. The refiner was downgraded to "below average'' from "above average'' by Caris & Co. – Demand for gasoline might go down, explains Tim Seymour.

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Trader disclosure: On Mar.12, 2008, the following stocks and commodities mentioned or intended to be mentioned on CNBC’s Fast Money were owned by the Fast Money traders: Najarian Owns (AMR), (BIIB), (C), (CSCO), (MS), (MSFT), (YHOO); Najarian Owns (COP) Calls; Najarian Owns (FNM) Puts; Finerman's Firm And Finerman Own (CROX); Finerman's Firm Owns (AEO), (DVA), (FNM), (GS), (MSFT), (TSO), (VLO), (YHOO); Finerman's Firm Is Short (IYR), (IJR), (MDY), (IWM), (SPY); Finerman's Firm Is Short (LEH) And Owns (LEH) Puts; Seymour Owns (HAL), (INTC), (MBI), (MER), (MSFT), (TSO), (CSCO), (TMA); Seygem Asset Management Owns (CHL), (EWT),(SSL), (TCL), (TSM), (EEM) Gazprom