Deals of the day- Mergers and acquisitions
(Adds Tesco, Cobalt, Syngenta, Rue du Commerce, Energy Transfer, India's SEBI; updates Southern Co, Novatek, Enel)
Aug 24 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Monday:
** U.S.-based Monsanto Co sweetened its offer to buy Switzerland's Syngenta AG, valuing the company at around $47 billion as it tries to lure the Swiss firm to the negotiating table, a person familiar with the matter said on Monday.
** U.S. power producer Southern Co said it would buy AGL Resources Inc for about $8 billion in cash to build out its natural gas infrastructure and lower its dependence on power generation.
** UBS is backing one of three consortia that submitted bids of around 7 trillion won ($5.81 billion) in the buyout of British retailer Tesco Plc's South Korean unit Homeplus Co Ltd with an underwritten jumbo mezzanine loan, bankers said on Monday.