There's never a shortage of losers in the stock market.

Let's take a closer look at five of this past week's biggest sinkers.


Feb. 24 Weekly Loss My Watchlist
GTx (Nasdaq: GTXI) $3.43 (41%) Add
US Airways (NYSE: LCC) $6.99 (22%) Add
Celldex (Nasdaq: CLDX) $3.85 (21%) Add
Yingli Green Energy (NYSE: YGE) $3.82 (19%) Add
GrafTech Int'l (NYSE: GTI) $12.80 (17%) Add

Source: Barron's.

GTx was last week's biggest loser, shedding 41% of its value after regulators suspended studies of its once-promising treatment for advanced prostate cancer. GTx clearly had a lot riding on Capesaris.

US Airways led its peers the wrong way down the runway. Investors sold off air carriers as oil prices hit a nine-month high.

Celldex shares took a hit after the biotech upstart completed a secondary offering. Celldex sold 10.5 million shares at $3.85 apiece. That was a healthy discount to where the stock was when the offering was announced, though it happens to be exactly where it closed out the week.

It was a bad week for solar energy stocks, and Yingli Green Energy was one of the many companies in this volatile specialty to post a double-digit percentage decline.

GrafTech slipped after posting uninspiring quarterly results. The electrode maker's revenue of $348 million clocked in well short of the $363 million that Wall Street was targeting. GrafTech's hoping to raise prices to offset declining sales volume, but that's a risky strategy.

Ready for a bounce
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This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.