Carolco Pictures said its chairman, Mario Kassar,...

Carolco Pictures said its chairman, Mario Kassar, completed the buyout of former Co-Chairman Andrew Vajna’s 36% stake, worth about $125 million; Kassar now holds about 63% of the firm’s shares. . . . Mission Insurance, in bankruptcy since 1986, said it signed an agreement with a committee of its unsecured creditors and California and Missouri insurance regulators that could form a reorganization plan . . . Japan’s Tokyu Department Store said it has decided not to join in a proposed management buyout of the Bloomingdale’s department store chain . . . Federal regulators authorized Costa Mesa-based Downey Savings & Loan to merge its Butterfield S&L; unit of Santa Ana into its operations . . . Walt Disney Co. said it entered a long-term TV and film production deal with Witt-Thomas-Harris Productions . . . Dow Jones & Co. said it has completed the acquisition of Telerate Inc.