Most interest internationally has been sparked by HNA's indirect corporate venturing strategy.

Asian companies bought a record $128.3bn of US-based companies in 2016, up by about half from last year’s $66.6bn but more than a third of the increase was down to one conglomerate, China-based HNA Group’s unusual mix of acquisitions and venturing strategies.

Chinese companies invested $67bn of American mergers and acquisitions this year, compared to $11.9bn in 2015. Three of the four largest such deals this year were by HNA, according to news provider Forbes using Dealogic data.

This…