Asian markets ended mixed. The Shanghai Composite closed slightly above breakeven, while the Hang Seng in Hong Kong slid 0.4% and Japan's Nikkei fell 1.2%.
Currencies and commodities: The dollar rose against the euro and British pound, but fell versus the Japanese yen.
Oil for July delivery slid $3.18, or 3.7%, to $83.35 a barrel.
Gold futures for August delivery rose $49.40 to $1,613.60 an ounce.