Pops & Drops: IBM, Sears...

Following are the week’s biggest winners and losers. Find out why shares of IBM and Sears popped while WellPoint and Merck dropped.

POPS (stocks that jumped higher)

IBM (IBM) popped 4%. The company reaffirmed its earnings outlook for 2009 and announced a share buyback. - I think the stock could go to $100, says Joe Terranova.

CF Industries (CF) popped 14%. Agrium made a $3.6 billion bid for the company. - It's a big deal, says Pete Najarian.

Sears (SHLD) popped 4%. The department store giant reported fourth quarter earnings that weren’t as bad as expected. - This stock is heavily shorted, reminds Jeff Macke. I'd get out.

The Blackstone Group (BX) popped 23%. Chairman Stephen Schwarzman reassured shareholders of the company’s ability to weather further blows despite reporting a fourth-quarter loss. - Remember the stock is off something like 90%, says Karen Finerman.

Yahoo (YHOO) popped 9%. Investors are hopeful that a Microsoft deal may soon be back on the table.

Home Depot (HD) popped 7%. The largest home-improvement retailer beat on earnings for the fourth quarter.

DROPS (stocks that slid lower)

WellPoint (WLP) dropped 18%. Investors bid this and other managed-care companies lower on Obama’s budget plan. - I think it's overdone, says Karen Finerman.

Currencyshares Japanese Yen Trust (FXY) dropped 3%. The trust that reflects the price of the yen dropped due to the currency having its worst monthly decline against the dollar since 1995. - I would not be in this, says Joe Terranova.

Merck (MRK) dropped 14%. Investors bid this stock lower on the belief the Obama health plan will strangle profits.

iShares Silver Trust ETF (SLV) dropped 8%. The silver ETF dropped along with the spot price of this precious metal, which experienced its largest dollar decline this week since October.

Barrick Gold (ABX) dropped 18%. Credit Suisse cut it’s target to $41 from $45.

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