Elon Musk's SpaceX stock price has fallen below its IPO price of $135, marking a significant downturn for Elon Musk's rocket and AI company just over a month after it began trading publicly.

Some investors are concerned about the company's heavy investment in artificial intelligence, much of which is being financed through debt. These concerns have added pressure on the stock in recent weeks.

SpaceX shares have fallen below their IPO price for the first time as investors increase bearish bets against the aerospace company, according to data reported by CNBC.Figures from S3 Partners show...