(Adds Symantec Corp , Callon Petroleum Co, ROK, PPC, updates Gilead Sciences, Yandex NV)
July 15 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1430 GMT on Monday:
** Cybersecurity company Symantec Corp SYMC.O and chipmaker Broadcom Inc AVGO.O have ceased deal negotiations, CNBC reported, citing sources. Australian wealth manager AMP Ltd AMP.AX said it would likely pull the A$3.3 billion ($2.3 billion) sale of its life insurance unit after the intervention of New Zealand's central bank, raising concerns about its recovery strategy and sending its shares tumbling. Callon Petroleum Co CPE.N said it would buy Carrizo Oil & Gas Inc CRZO.O in a $3.2 billion deal, the latest in a string of acquisitions as energy companies scale up to boost cash flow in the face of investor criticism. Vietnam's Military Commercial Joint Stock Bank MBB.HM is seeking to sell a 7.5% stake to one or more foreign investors this year, its chief executive officer said. China's Xiaomi Corp 1810.HK has taken a stake of roughly 6% in compatriot chip designer VeriSilicon Holdings Co Ltd, as the smartphone maker revamps its years-long pursuit of success in semiconductors which it sees as central to driving innovation. Russian internet company Yandex NV YNDX.O said its ride-sharing and food delivery joint venture with Uber UBER.N had agreed to buy intellectual property and local call centres from Vezet group as it plans further expansion in the country. South Africa's Bidvest Group BVTJ.J said on Monday it would acquire Enx Group's ENXJ.J Eqstra Fleet Management and Logistics in a deal worth 3.1 billion rand ($222.3 million) on an enterprise value basis. French pay-TV group Canal+ has acquired African film and television studio ROK, marking the first international acquisition in Nigeria's film industry, popularly known as Nollywood. Greece's electricity utility PPC DEHr.AT failed to attract any binding bids for three coal-fired plants it is selling as part of reforms Athens has agreed with its lenders to help open up its electricity market. U.S. antiviral drugmaker Gilead Sciences GILD.O will invest $5.1 billion in a major expansion of its partnership with Belgo-Dutch biotech Galapagos NV GLPG.AS , news that lifted Galapagos's shares 18 percent to an all-time high on Monday