CoreWeave has downsized its initial public offering (IPO), indicating a cooling of investor enthusiasm for AI IPOs and IPOs in general.The company is pricing its IPO at $40 per share, lower than its initial expectation of $47 to $55 per share.CoreWeave has also reduced the size of its IPO from 49 million shares to 37.5 million shares.These changes reflect a decline in investor interest in AI and uncertainties about the sustainability of the AI boom.