Upgrades
NYX – NYSE Euronext downgraded to Hold at Argus
LINE – Linn Energy initiated with a Buy at Madison Williams
TECH – Techne upgraded to Buy from Neutral at Lazard
MAKO – MAKO Surgical initiated with a Buy at Goldman
SD – SandRidge Energy initiated with a Outperform at Morgan Keegan
AGU – Agrium: Stifel suggests the latest crop report lowers AGU’s risk profile
CLWR – Clearwire: Kaufman discusses strategy following good qtr
IRM – Iron Mountain initiated with a Buy at Stifel Nicolaus
CTAS – Cintas initiated with a Hold at Stifel Nicolaus
OPTR – Optimer Pharma assumed with a Buy at ThinkEquity
TRLG – True Religion initiated with a Buy at The Benchmark Company
Downgrades
AAPL – FBR Captial Mkts discusses checks from Apple supply chain; 2Q11 iPhone production estimates revised downward
PMCS – PMC-Sierra resumed with a Hold at Auriga U.S.A
SYT – Syngenta downgraded to Underperform from Market Perform at Bernstein
RAH – Ralcorp Holdings downgraded to Hold from Buy at BB&T Capital Mkts
FXCM – FXCM downgraded to Sell from Hold at Citigroup
EWY – South Korea stocks were downgraded to Market Weight at Goldman, timing uncertain
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