Dataproducts Corp. said confidential financial information about the Woodland Hills computer printer maker has been distributed to “a number of interested buyers” . . . NYNEX Corp. increased its quarterly dividend to $1.09 per share from $1.01 per share, payable on May 1 to shareholders of record March 31 . . . the Investment Company Institute reported that the assets of the nation’s 460 money market mutual funds increased $1.26 billion to $296.55 billion for the week ended March 15.