Full Research Summary (MAY 2, 2007)

ACS cut to Sector Perform at RBC.
ADBL raised to Buy at Citigroup.
AHG cut to Underperform at Jefferies.
ARO started as Outperform at CIBC.
ARRS raised to Sector Perform at CIBC.
AUDC cut to MKt Perform at Piper Jaffray.
BBG cut to Mkt Perform at Wachovia.
CEPH cut to Buy at First Albany.
CPHL started as Outperform at FBR.
CQP started as Buy at Stifel Nicolaus.
CRL raised to Outperform at Baird.
CME raised to Buy at B of A.
CRY raised to Outperform at Piper Jaffray.
DJ cut to Mkt Perform at Wachovia.
FAST raised to Outperform at Piper Jaffray.
FII cut to Underweight at JPMorgan.
HOT cut to Neutral at Goldman Sachs.
KKD cut to Neutral at Prudential.
LIZ cut to Neutral at UBS.
NCX cut to Sell at B of A.
NEM raised to Neutral at Prudential.
NLC cut to Hold at Citigroup.
NYX started as Sell at B of A.
PAY started as Outperform at Wachovia.
PER cut to Hold at Stifel Nicolaus.
Q raised to Neutral at Credit Suisse.
RTI raised to Buy at B of A.
RX cut to Peer Perform at Bear Stearns; cut to Mkt Perform at FBR.
SIGM raised to Buy at AGEdwards.
SGMO raised to Strong Buy at JMP Securities.
SRP raised to Outperform at RBC.
TIBX cut to Hold at Jefferies.
WBSN cut to Underperform at Jefferies.
WTS cut to Underperform at Baird.

Jon C. Ogg
May 2, 2007

Jon Ogg can be reached at [email protected]; he does not own securities in the companies he covers.