Following are the week’s biggest winners and losers. Find out why shares of Bank of America (BAC), Deere & Co. (DE) and Tootsie Roll Industries (TR) poppedwhile Wal-Mart (WMT) and Monsanto (MON) dropped.

POPS (stocks that jumped higher)

Dendreon (DNDN) popped 17% after hours. – Pete Najarian says the pop was due to positive results from their breast cancer drug which is in Phase 1 trails

Bank of America (BAC) popped 6%. Warren Buffett disclosed a new investment in the country's #2 bank and investors clamored into the big money centers. – Guy Adami says it’s a good buy.

Wells Fargo (WFC) popped 8%. The 155-year-old bank, born out of the California gold rush, closed at a new all time in spite of the mortgage meltdown. – Karen Finerman likes their stock.

Deere & Co. (DE) popped 6%. The tractor maker came out with better-than-expected earnings, adding to a 31% surge this year. – Pete Najarian likes this name for global growth.

Research & Motion (RIMM) popped 7%. The Blackberry maker surging 11% today alone ahead of its 3-for-1 stock split on Monday. – Pete Najarian thinks it could go higher after the split.

Tom Cruise -- Merrill Lynch pops $500 million into his bank account to pay for up to 18 new UA movies. – Karen Finerman says it’s a good day for Scientology.

Tootsie Roll Industries (TR) popped 10%. This company produces candy, not steel or mortgages. – Jeff Macke says quality never goes out of style.

POP & DROP: (stocks that moved higher and lower)

Thornburg Mortgage (TMA) - The Santa Fe-based mortgage lender roiled by bankruptcy worries at the start the week, but popped 21% Friday. – Pete Najarian thinks this stock is going higher.

Apple (AAPL) - The computer and electronics company rolled over to start the week and then popped 4% Friday. – Jeff Macke says walk away.

DROPS: (stocks that slid lower)

Wal-Mart (WMT) dropped 6%. The world's biggest retailer missed its numbers and cut its profit forecast. – Jeff Macke thinks WMT is in trouble until they make a major change.

Home Depot (HD) dropped 7%. The home improvement chain predicted soft demand because of the weak housing market. - Karen Finerman says she’s heart broken.

Monsanto (MON) dropped 8%. The St. Louis seed company that's been a big winner for people this year sold without regard for fundamentals this week. – Guy Adami thinks it will be a $100 stock in ’08.

Cisco Systems (CSCO) dropped 4%. The computer networking giant gave back some gains a week after reaching a 6 year high. – Pete Najarian recommends owning CSCO.

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Trader disclosure: On Aug 17 2007, the following stocks and commodities mentioned or intended to be mentioned on CNBC’s Fast Money were owned by the Fast Money; Macke Owns (EMC); Pete Najarian Owns S&P Puts; Pete Najarian Is Short (GS), Finerman's Firm Owns (AA), (DAI), (WMT), (COP), (GS); Finerman's Firm Owns S&P Puts