appoints cfo - Zynga to file ipo by June Secondaries (announced/priced): PLUG, EXLP, TWO, KEM, MCP (holders), ORBK, AIG, VELT IPO's (filed/priced): Latrobe Specialty Metals (LAT) files $175M through CS, FBR, Jefferies & KeyBanc, Cloudary (1518239) files $200M through Bofa & GS, Active Network (ACTV) 11M shares priced a