It has been a record year for mergers and acquisitions.

Capital IQ reports the deal value for worldwide M&A for 2014 so far has already topped last year, coming in at $2.68 trillion.

In the history of worldwide M&A, there have been just 40 deals of $50 billion or more, 6 have taken place in past 12 months.

Locally, Valence Surface Technologies, part of Thrive Capital, acquired Blue Streak Finishers, and Charlesbank Capital Partners acquired HDT Global. The terms of both deals are not disclosed.