(Updates BME, Mitsubishi; adds PKN Orlen)
March 26 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Thursday:
** Spain's market regulator CNMV said on Thursday it had authorised a bid by Swiss exchange SIX to buy Madrid stock market operator BME, but left a window for potential rivals to file a counter bid.
** Japan's Mitsubishi Corp could potentially invest in Renault as part of scenarios being discussed to reinforce an alliance between the French carmaker, Nissan and Mitsubishi Motors, two sources familiar with the matter said.
** Poland's oil refiner PKN Orlen has extended the share subscription deadline in its bid to take over utility Energa to April 22 from April 9 due to the coronavirus epidemic, it said on Thursday.
** New Zealand's Augusta Capital said Centuria Capital Group has pulled out of its NZ$180 million ($104 million) buyout offer for the real-estate investment firm.
** CMA CGM said it had completed the sale of stakes in eight port terminals for $815 million to its joint venture with China Merchants Port Group.
** Germany aims to make long-term financial gains from selling stakes in companies it acquires during the coronavirus crisis to ensure their survival, Finance Minister Olaf Scholz told the Rheinische Post.
** Liberia's Conex Oil and Gas Holdings on Wednesday said it had signed a deal to acquire the Liberian and Sierra Leonean fuel businesses of France's Total. (Compiled by Trisha Roy and Shradha Singh in Bengaluru)