Stock Futures Rise After GDP Data  NEW YORK (Reuters) - U.S. stock futures rose on Tuesday,  pointing to a flat market open, after preliminary third-quarter  gross domestic product data showed higher-than-expected growth.
Sources: Sony Eyes File-Sharing Venture LOS ANGELES - Sony BMG Music Entertainment and online peer-to-peer software distributor Grokster are working on a new venture that is expected to offer paid and free song downloads over the Internet, sources say.