Asian stocks slump as demonstrations and lockdowns in China cloud the picture.

On Monday, Asian stocks fell, with Hong Kong temporarily falling more than 4% as a result of weekend protests in several places against China's draconian zero-COVID lockdowns.

After a mixed, truncated day on Wall Street on Friday, US futures were down. Oil prices have dropped by more than $2 a barrel.

The upheaval in China is the most audacious display of public opposition to the ruling Communist Party in years. It came....