World shares advanced Wednesday, with Japan’s benchmark Nikkei 225 index closing 1.2% higher after a Bank of Japan official suggested the central bank would refrain from raising interest rates while markets are unstable. Germany’s DAX added 1.2% to 17,564.39, as an increase in factory output in June offset concern over weaker-than-expected exports. The CAC 40 in Paris gained 1.4% to 7,230.21. In London, the FTSE 100 was 0.9% higher at 8,089.70. The future for the S&P 500 jumped 1% and that for