Mergers & Acquisitions (M&A) Activity 2,675 announced, global M&A deals. Total estimated sector totals for announced M&A deals. Technology, Media and telecom: $136bn. Industrials and Services: $45bn. Energy, Clean tech and Infrastructure: $32bn. Financial Services and Real Estate: $28bn. Healthcare and Life Sciences: $25bn. Consumer Retail & Other: $22bn. Cross-Sector / Miscellaneous: $47bn. Total value: approx. $335 bn. (Source: IMAA: Institute for Mergers, Acquisitions an