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eSignal, a division of Interactive Data Corporation (NYSE: IDC) and a leading provider of streaming, real-time financial market data, news, analytics and decision support tools to professional and individual traders, today announced the immediate availability of eSignal® 7.7, the latest version of the 7 series software offering active and professional traders new enhancements, including a News Manager, a powerful Symbol Lookup feature, customizable function keys, an enhanced Lender's Window and select Latin America exchange data.