Upgrades
MOS – Mosaic upgraded by Stifel Nicolaus
CF – CF Industries upgraded to Overweight from Neutral at JP Morgan
AKS – AK Steel ticking higher; strength attributed to tier 1 firm upgrade
ATI – Allegheny Tech target raised to $85 from $78 at Stifel Nicolaus
UNH – UnitedHealth upgraded to Buy from Hold at Jefferies
SOLR – GT Solar: Forward estimates likely to rise given backlog; great acquisition target – Wunderlich
COT – Cott upgraded to Overweight from Neutral at JPMorgan
DNDN – Dendreon initiated with Buy at ISI Group
FICO – FICO upgraded to Hold at Auriga following mgmt’s raised guidance
LDK – LDK Solar downgraded to Hold at Auriga on financing uncertainty
LTD – Limited upgraded to Neutral from Sell at Goldman
TTEK – Tetra Tech initiated with a Outperform at Oppenheimer
MXIM – Maxim Integrated upgraded to Neutral from Sell at Goldman
BP – BP upgraded to Buy from Hold at Societe Generale
DIS – Walt Disney upgraded to Buy from Hold at Stifel Nicolaus
GAP – Gap upgraded to Hold from Sell at Deutsche Bank
TZOO – Travelzoo: Local deals re-accelerate in May – Benchmark
NTAP – NetApp: Auriga expects a strong quarter from NetApp Wednesday afternoon, but it appears most others do as well
Downgrades
MRVL – Marvell target lowered to $21 at FBR Capital; firm removes all RIMM revenues from their calendar 2012 and beyond financial forecast
BKE – Buckle downgraded to Sell from Neutral at Goldman
YGE – Yingli Green Energy: Priced for uncertainty
ONNN- ON Semiconductor downgraded to Neutral from Buy at Goldman
PCG -PG&E downgraded to Hold from Buy at Jefferies
ED – Con Edison ticking lower; weakness attributed to tier 1 firm downgrade
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