UPDATE 3-Deals of the day - mergers and acquisitions

(Updates Perdigao, adds Ferrovial, GM and others)

May 19 (Reuters) - The following bids, mergers, acquisitions and disposals involving European, U.S. and Asian companies were reported by 2000 GMT on Tuesday. (For Reuters columns on deals, click on [DEALTALK/])

** Canada's top grain handler Viterra Inc (VT.TO) has agreed to buy Australia's ABB Grain Ltd ABB.AX in a $1.2 billion share and cash deal, giving Viterra access to growth markets in Asia.

To read more, double click on [ID:nSYD331746]

** If General Motors Corp (GM.N) files for bankruptcy, as widely expected, plans include a quick sale of the automaker's healthy assets to a new company owned by the U.S. government, a source familiar with the situation said. [ID:nN19441558]

** China's Guangzhou Automobile has reached an initial agreement with Hunan Changfeng Motor Co 600991.SS to take a major stake, possibly up to 30 percent, in the sport utility vehicle maker, a source with knowledge of the matter said. [ID:nSHA238506]

** The German trade union boss of IG Metall signalled his continued opposition to an Opel (GM.N) takeover by Italian rival carmaker Fiat (FIA.MI), following a meeting with Chief Executive Sergio Marchionne on Tuesday. [ID:nLJ110571]

** Technology-focused private equity firm Accel-KKR has increased its offer to buy software maker SumTotal Systems Inc SUMT.O, trumping a recently raised offer from Vista Equity Partners. [ID:nBNG490421]

** Two component-making units of LG Electronics Inc (066570.KS) won shareholder approval for a revived merger plan, after sharp share price falls last year forced them to call off an earlier attempt. [ID:nSEO235027]

** British fashion retailer Bay Trading has been bought out of administration by clothing wholesaler and retailer Rinku Group, administrator Deloitte said. [ID:nLJ16530]

** BAA recently rejected a bid by Global Infrastructure Partners to acquire Gatwick airport, two people familiar with the matter said, boosting the prospects of rival bidder Manchester Airports Group (MAG). [ID:nLJ474009]

** DSG International Plc DSGI.L, Europe's second-biggest electrical goods retailer, said it had agreed to sell its nine Electro World stores in Hungary to EW Electro Retail Ltd for 1 euro. [ID:nBNG386503]

** Brazilian food company Perdigao agreed to acquire smaller rival Sadia, joining Brazil's top two poultry and pork processors to create a global industry leader with annual sales topping $10 billion. [ID:nN19403312] (Compiled by Tina Kwan in Singapore and Mansi Dutta and Anand Basu in Bangalore)