(Adds: Zijin Mining, Symbotic, Santander, Xiaohongshu)

Jan 16 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1430 GMT on Thursday:

** A subsidiary of China's Zijin Mining plans to buy a 24.8% stake in Zangge Mining for 13.7 billion yuan ($1.87 billion) and gain controlling right in the firm, Zijin announced in a stock exchange filing.

** Symbotic said it would buy Walmart's robotics business for $200 million in cash to help expand the retailer's automated supply chain, sending shares of the warehouse robotics firm up 20% in premarket trading.

** Banco Santander's Mexican arm has reached an agreement, alongside other shareholders, to sell its stake in TransUnion Mexico, it said.

** Backers of China's Xiaohongshu are looking to sell a part of their stake to the likes of Tencent , among others, in a deal that could value the TikTok-rival at at least $20 billion, Bloomberg News reported.

** Bahrain-based investment group Investcorp said it had agreed to buy Italian alternative payments company Epipoli from private equity Bregal Milestone and founder and CEO Gaetano Giannetto.

** British investment group Petershill Partners said it sold its majority stake in venture capital firm General Catalyst for $726 million.

(Compiled by Rajarshi Roy and Sneha S K in Bengaluru)

((Rajarshi.Roy@thomsonreuters.com;))