A bright glow is rising above Silicon Valley's gloomy horizon. In a computer industry plagued by layoffs and flat revenues, Sun Microsystems of Mountain View, Calif., has achieved phenomenal growth. Founded only four years ago, Sun boosted sales from $8 million in fiscal 1983 to $115 million in 1985. Over the same period, annual profits surged from $654,000 to $8.5 million. Run by Scott McNealy, 31, Andreas Bechtolsheim, 30, and William Joy, 31, a trio of workaholic wunderkinder, the company shows signs of staying power in a business in which success is often fleeting.
Sun's specialty is workstations, high-powered desktop computers...