Live feed08:21:46·771dSECFilingvia QuantisnowCalamos Convertible Opportunities and Income Fund filed SEC Form 8-K: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and ExhibitsByQuantisnow·Wall Street's wire, on your screen.CHI· Calamos Convertible Opportunities and Income FundFinanceOriginal source