Companies can push up their stock prices and indicate strong financial heath by buying back shares, but they need to do so at the right time and for the right reasons, say experts.
Allocations to continental European equities are heavily down, despite encouraging economic news and fund managers saying in a key survey in April that they find the region appealing.
For some strategists, Asian bond markets are justified in currently pricing in only a low probability of a damaging trade war triggered by tensions between the US and China.
The region has among the most investing indices in the world. This is partly because of the undeveloped nature of local markets and isn't ideal, say investment industry figures.
The impact of Hurricane Harvey on energy commodities is seen as limited, but more weather disruptions are likely, and investors expect long-term oil price gains.
Emerging-market equities will build on big recent gains, despite concerns over China, argue investment specialists at Pictet Asset Management and Societe Generale.