ced): N/A IPO's: Cancer Genetics (CGIX) files $50M through MBlair & Baird Key Research: Barcap upgrades RPXC/CYMI/LSI/MU & downgrades AMAT/CODE/FSL/INTC/MCHP & initiates CXS (ew) and WPX (ow) Key Research: Citi upgrades VFC (buy) & downgrades HCS/HMA/LPNT/UHS & AHS/LNCR/SUNH/THC (sells), Opco upgrades RVBD