China’s investments in the region plunged by nearly half in 2018, to lowest level in four years. The value of newly announced big-ticket deals in the region – investment commitments and construction contracts worth more than US$100 million – dropped 49.7 per cent in 2018 to US$19.2 billion, its lowest in four years, according to analysis by Citi Economics, using data amassed by the US think tank American Enterprise Institute.