The following bids, mergers, acquisitions and disposals were reported by 1330 GMT on Tuesday:

** Advisory Board Co said it would sell its healthcare business to UnitedHealth Group Inc's Optum unit and education business to private equity firm Vista Equity Partners, for a total deal value of $2.58 billion.

** Spanish builder ACS is sounding out Chinese funds with headquarters in Hong Kong to partner on a potential counter-bid for toll road company Abertis, Expansion newspaper reported citing investment fund sources.

** South Korea's LG Electronics participated in a main bidding round to buy Austrian automotive light maker ZKW Group in a deal that could potentially fetch $1.2 billion, Korea Economic Daily said.

** AstraZeneca is to receive up to $400 million from Takeda Pharmaceutical after striking a deal for the Japanese company to co-develop an early-stage medicine for Parkinson's disease.

** U.S. buyout firm Leonard Green & Partner has agreed to buy intellectual property services provider CPA Global for 2.4 billion pounds ($3.10 billion) including debt, a source familiar with the matter said.

** A body of Brazil's Cade antitrust watchdog on Monday recommended rejecting the acquisition of a liquefied petroleum gas distribution unit owned by state-controlled oil company Petroleo Brasileiro SA by Ultragaz Participacoes Ltda. (Compiled by Akankshita Mukhopadhyay in Bengaluru)