A total of 9,169 deals worth USD 1.38 trillion were sealed in January-June period of 2016.
"Companies have been looking at 'future-proofing' in the wake of rapid changes to technology and politics to keep ahead of rivals," said a report by Mergermarket.
Moreover, there has been an increase in the number of megadeals. A total of 17 megadeals (worth over USD 10 billion) were announced since the beginning of the year, as against 14 in the first half of 2016.
"An increase in larger deals, with 55 transactions above USD one billion announced in 2017 compared to 31 in the first half of 2016, formed the main reason for such lift, partially fuelled by some stabilisation in oil prices," the report added.
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Meanwhile, Asia-Pacific (excluding Japan) recorded 1,585 deals valued at USD 272.9 billion during the period, a seven per cent decrease by deal value compared to the same period last year (USD 293.5 billion, 1,724 deals).
Three of the top five EMU deals in Asia featured Australian targets, including the acquisition of 50.4 per cent stake in Endeavour Energy for USD 5.6 billion in May.
Australia outperformed all other countries in Asia by value with over 50.4 per cent of EMU dealmaking in the region, totalling 31 transactions worth USD 22.6 billion, the report said.