News in brief

• Hedge fund pioneer George Soros has appealed a guilty verdict and $2.3m fine delivered by a French court in December over allegations he was involved in insider trading in a takeover battle for French investment bank Société Générale SA 14 years ago. Prosecutors said Soros had profited from trading shares in the bank after financier Georges Perebeau had contacted him to ask him to join in a bid for the firm.• Software supplier Sophis has released a new version of its pricing libra