(Adds Abcam, McDermott International, Apollo Global Management LLC,Forte Oil, Amazon.com)
May 2 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Wednesday:
** Biotech company Abcam said a 270 million pound ($368 million) takeover approach to British firm Horizon Discovery had been rebuffed, adding it was going public to try to force Horizon's management to open talks.
** McDermott International shareholders approved a merger with Chicago Bridge & Iron Co that creates a vertically integrated onshore and offshore engineering and construction company, thwarting an attempt by offshore drilling contractor Subsea 7 to block the deal.
** Buyout firm Apollo Global Management LLC has approached Xerox Corp to express interest in a possible acquisition, casting new uncertainty over the latter's sale to Japan's Fujifilm Holdings, people familiar with the matter said on Wednesday.
** Amazon.com Inc has made a formal offer to buy a 60 percent stake in Flipkart IPO-FLPK.N, CNBC-TV18 reported on Wednesday, threatening to complicate Walmart Inc's bid to buy a majority stake in the Indian online retailer.
** Buyout firm Apollo Global Management LLC APO.N has approached Xerox Corp XRX.N to express interest in a possible acquisition, casting new uncertainty over the latter's sale to Japan's Fujifilm Holdings 4901.T, people familiar with the matter said on Wednesday.
** U.S. aerospace and industrial company United Technologies Corp is set to win EU antitrust approval for the largest aerospace deal in history - a $23 billion bid for avionics maker Rockwell Collins, people familiar with the matter said.
** U.S. aircraft parts maker Spirit AeroSystems Holdings Inc posted a lower-than-expected profit, and said it was spending $650 million to buy European peer Asco Industries NV to boost sales to Airbus Group SE.
** Amazon.com Inc has made a formal offer to buy a 60 percent stake in Indian online retailer Flipkart IPO-FLPK.N, CNBC-TV18 reported, citing sources.
** Nokia is planning to sell its small digital health business, including activity trackers and smartwatches, to Eric Carreel, co-founder of Withings, the Finnish company said.
** Xerox Corp said its CEO and most of its board will step down to settle a suit brought by shareholders Carl Icahn and Darwin Deason, with new management planning to look at restructuring or terminating a contentious deal with Fujifilm Holdings.
** China's HNA Group is selling a real-estate focused unit for 2.9 billion yuan ($456.08 million), the firm said in a regulatory filing, amid a broader sell down by the debt-laden conglomerate as it looks to raise funds.
** Private equity firm Lantern Capital is the winning bidder for substantially all the assets of the Weinstein Co, the TV and film studio that filed for bankruptcy after co-founder Harvey Weinstein was accused of sexual assault, the Weinstein Co said. (Compiled by Sanjana Shivdas in Bengaluru)