The analysis suggests that while AI has driven the Wall Street bull market, quantum computing, as a potential multi-trillion-dollar market, has also attracted investor attention. However, the massive selling by insiders at the aforementioned three companies, coupled with almost non-existent insider buying, sends a worrying signal to Wall Street. The article also points out that these companies have price-to-sales (P/S) ratios well above 30x, indicating potentially overvalued estimations, and that quantum computer technology still needs time to mature, posing a risk of a bubble burst.