.76M shares through Sandler Key Research: MS initiates ALGN (uw) & XRAY/TFX (ew) & HRC/SIRO (ow), Baird upgrades IRET Key Research: Roth downgrades CYCC/SPPI/CLDX/DNDN/REGN, Canaccord initiates ZLCS (buy) Key Research: Auriga upgrades MYGN (buy), Bankhaus upgrades PAH3.GR & downgrades HEI.GR Key Research: Citi