Benzinga's Top Upgrades

Analysts at Canaccord Genuity upgraded Volcano

from “hold” to “buy.” The target price for Volcano has been raised from $21 to $26. Volcano's shares closed at $20.62 yesterday. Analysts at Barrington Research upgraded Sirona Dental Systems

from “market perform” to “outperform.” The target price for Sirona Dental Systems is set to $82. Sirona Dental's shares closed at $68.05 yesterday. Analysts at Credit Suisse upgraded Responsys

from “neutral” to “outperform.” The target price for Responsys has been raised from $13 to $20. Responsys's shares closed at $14.77 yesterday. Analysts at First Analysis upgraded Fiserv

from “equal-weight” to “overweight.” The target price for Fiserv has been raised from $85 to $115. Fiserv's shares closed at $100.35 yesterday.