China A-share precious metals sector opened weaker; Chifeng Gold down over 8%, with Zijin Mining, Shanjin International and Zhaojin Gold also sliding.

Brazil's Supreme Court ruled to extend voting hours for the presidential election.

France's debt stress and a fierce bond sell-off have made the race to succeed ECB President Lagarde, who is set to depart, a test of crisis-management ability. Policymakers and member-state governments are increasingly treating market tensions as a decisive factor in the appointment. Netherlands' Klaas Knot and Spain's Pablo Hernández de Cos are emerging as leading contenders to take charge amid renewed bond-market volatility.