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.


Sept. 14 Price

Weekly Loss

My Watchlist





Titan Machinery (NASDAQ:TITN)




Skullcandy (NASDAQ:SKUL)




Spirit Airlines (NYSE:SAVE)




US Airways (NYSE: LCC)




Source: Barron's.

Geron lost more than half of its value after some unwelcome news for its once-promising cancer treatment. Geron is canceling its Phase 2 imetelstat clinical trial for the treatment of breast cancer. It's also not going to enter the drug into the critical Phase 3 trial as a treatment for non-small-cell lung cancer.

Titan Machinery powered down after the retailer of farming equipment posted an uninspiring near-term outlook.

Skullcandy faded out after a Morgan Stanley downgrade. The analyst is lowering his outlook and price targets, though it also doesn't help that the new iPhone and iPod EarPods were introduced a day earlier.

Spirit Airlines descended after the value-priced air carrier hosed down its guidance. The discounter -- which offers rock-bottom fares but charges fees on just about everything, including carry-on baggage -- blamed its lower outlook on revenue per available seat mile, partly due to the effects of Hurricane Isaac.

US Airways fell in four of last week's five trading days. Air carriers were generally weak, as a rise in oil prices will press margins. Fare increases across most of the major airlines weren't enough to excite investors.

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.