Tokyo – Sony CEO and Chairman Howard Stringer has expressed confidence in the company making its 5% profit margin goal by the end of fiscal 2007. Talking to reporters in Tokyo, Stringer said 2008 will see the expansion of online networking for the PS3 console to other electronics, beginning with the PlayStation Portable. Stringer also said that Sony has no interest in selling its entertainment companies, saying that they are essential for Sony’s hardware-software digital networking strategy.