Nvidia insiders sold over $1 billion worth of company stock in the past year, with a notable uptick in recent trading activity as executives capitalize on surging investor interest in artificial intelligence,

According to Ernst & Young, the average U.S. S&P 500 company has a lifespan of just 15 years because of technological disruption and failure to adapt to changing conditions. Many others experience long periods of stagnation, even if they survive.