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.

Company

June 1 Weekly Loss My Watchlist
Complete Genomics (Nasdaq: GNOM) $2.19 (27%) Add
LDK Solar (NYSE: LDK) $1.68 (25%) Add
Teavana (NYSE: TEA) $13.04 (25%) Add
Splunk (Nasdaq: SPLK) $27.24 (24%) Add
Jamer River Coal (Nasdaq: JRCC) $2.42 (22%) Add

Source: Barron's.

Complete Genomics may have been a star a few weeks ago after posting better-than-expected quarterly results and revealing that it had sequenced the genomes of 600 people from 20 different Mexican-American families. It gave back a good chunk of those gains on no company-specific news last week.

LDK Solar shed 25% of its value on top of losing 21% during the prior week. The manufacturer of polysilicon wafers for solar cells has been crushed since the preliminary U.S. decision to assess an antidumping tariff rate of 31.18% to a group including LDK Solar was made public.

Mr. Market took a leaf blower to Teavana, as the premium tea retailer shed a quarter of its value after posting uninspiring quarterly results. Most high-end retailers delivered better comps growth than the 1.7% that Teavana served up in the period.

Splunk went kerplunk after the "big data" analytics software provider posted its first quarterly results since going public. You know it's a tough crowd when growing revenue by 80% and posting a narrower deficit than analysts were expecting isn't good enough.

Analysts have been downgrading coal miners, and investors are bailing, too. There was no company-specific news on James River Coal, but investors are rotating out of the sector in general, and this central Appalachian miner in particular.

Ready for a bounce
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Longtime Fool contributor Rick Munarriz calls them as he sees them. He does not own shares in any of the stocks in this story. Rick is also part of the Rule Breakers newsletter research team, seeking out tomorrow's ultimate growth stocks a day early.

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