(Adds Facebook; updates BT)
May 15 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Friday:
** Facebook Inc FB.O is acquiring Giphy, a popular website for making and sharing animated images, or GIFs, Facebook said in a blog post. Shares in BT BT.L rose as much 9% from decade lows after the Financial Times said Britain's biggest broadband operator was in talks to sell a stake in its Openreach networks unit. Virgin Australia Holdings Ltd VAH.AX is expected to receive as many as eight non-binding indicative offers from potential buyers, including Brookfield, Bain Capital and BGH Capital, five sources said. Cooperation between Fincantieri FCT.MI and Thyssenkrupp TKAG.DE to build submarines is a good opportunity to talk about future consolidation in the European defence sector, the Italian shipbuilder's general manager Alberto Maestrini said. London-listed The Renewables Infrastructure Group TRIG.L (TRIG) said it has completed the acquisition of a 36% stake in a 396 megawatt (MW) offshore wind farm in the German North Sea.