Investors still have confidence in economy

Wealthy Chinese and other Asian investors are near the top of the league tables for economic optimism worldwide. That makes sense because growth in Asia has outpaced that in the rest of the world for the past 20 years. But it does seem to overlook the intensifying US-China trade dispute, which has weighed on markets and economic activity and which ranks as the top worry for the same wealthy Asian investors who participated in a new UBS study.

At first glance, it also flies in the face of the fact that wealthy Asian investors are holding large sums of their portfolios in cash, a clear sign they'd keep what they've got rather than put it to work - and at risk.

What explains this possible contradiction?