HIGH STAKES WINNERS

ONE AFTER ANOTHER, THE INstant millionaires and even billionaires have been appearing, brought forth by the stock market's magic. Last Aug. 9, Netscape, a Mountain View, California, software company, sold stock to the public for the first time. By the end of the day, the shares owned by chairman James Clark were worth $566 million. Netscape's technical whiz, Marc Andreessen, who is 24 years old, was suddenly worth $58 million. In November the net worth of Pixar chairman Steve Jobs increased more than $1.1 billion in a single day when the company, responsible for the computer-animated hit movie Toy Story, sold...