What's better than momentum? Mo' momentum.

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


July 20 Weekly Gain My Watchlist
Alnylam Pharmaceuticals (Nasdaq: ALNY) $18.74 50% Add
Complete Genomics (Nasdaq: GNOM) $12.55 22% Add
Statasys (Nasdaq: SSYS) $56.64 19% Add
NetScout (Nasdaq: NTCT) $23.20 17% Add
eBay (Nasdaq: EBAY) $44.85 12% Add

Source: Barron's.

Alnylam Pharmaceuticals moved higher after its CEO told investors that it's talking to more than one potential partner for its cholesterol drug. The company's injection is targeting patients who don't respond to statins as a way to lower high levels of cholesterol.

Complete Genomics continues to rally on the gene sequencer's new technology that will improve the accuracy and likely reduce the cost of DNA sequencing.

Stratasys shares hit an all-time high last week. Excitement for the prospects of 3-D printing continue to move the few publicly traded players in this niche higher.

Uptime specialist NetScout posted better-than-expected results last week. It also announced that it would be buying Accanto Systems in a move that would beef up its packet flow strategy while adding voice service monitoring to its arsenal of services.

Finally we have eBay coming through with a monster quarter, once again led by booming growth at PayPal.

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Motley Fool newsletter services have recommended buying shares of eBay and Stratasys. The Motley Fool has a disclosure policy. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. Try any of our Foolish newsletter services free for 30 days.

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.