A former Dell Inc. executive whose startup reported raising a $5 million financing on Tuesday said he plans to keep operating in stealth mode - two years after launching. Steven Tedjamulia, the one-time director of Dell's digital innovation lab, declined to discuss the company he founded, Predictive Science Inc., or what it plans to do with the capital. The Austin-based company received the $5 million from a lone investor, according to a filing with the U.S. Securities and Exchange Commission. "There's...