Global shares are mixed after earnings reports boost Wall Street

European shares opened lower on Thursday after a broad advance in Asia spurred by a rebound on Wall Street. Upbeat economic updates and a steady flow of quarterly reports from U.S. companies have helped counter worries over surging share prices for Big Tech companies. But that optimism failed to carry over from Asia to Europe. Germany’s DAX lost 0.2% to 24,003.24, while the CAC 40 in Paris declined 0.5% to 8,033.11. Britain’s FTSE 100 slipped 0.2% to 9,761.18. The future for the S&P 500 was virtually unchanged while that for the Dow Jones Industrial Average lost 0.1%. In Asia, shares bounced back from a retreat the day before. Tokyo’s Nikkei 225 jumped 1.3% to 50,883.68. Shares in Nissan Motor Co. fell 1.7% after the company said it was selling its headquarters building in Yokohama to rais