5 of Last Week's Biggest Losers

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.

Source: Barron's.

Aeterna Zentaris tumbled after a poorly received one-for-six reverse stock split. The move was executed to regain Nasdaq compliance by boosting its share price above the $1 mark.

Liquidity Services trickled lower after the marketplace provider for salvage and surplus assets reported disappointing sales metrics for the month of September. Stifel Nicolaus now feels that the company is unlikely to beat Wall Street's projected profitability for the period.

RadioShack may have taken a 19% hit two weeks ago after its CEO was ousted, but things didn't get any better. The struggling consumer electronics retailer stumbled another 14% last week after an analyst at UBS slashed the chain's price target from $2 to $1.50.

Glu Mobile and Zynga stumbled after the latter warned that it would come up short in the recently ended third quarter and for all of 2012.

Even though it was Zynga's bombshell, shares of Glu Mobile closed out the week with the slightly wider loss. The sympathy play may not be fair to Glu Mobile. Zynga's bread-and-butter business is developing social games, and that's proving to be a challenging niche, given the fickle nature of gamers on social-networking websites. Glu makes more traditional casual games for mobile devices.

Ready for a bounce
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