The listing is one of the largest of the year so far. : Astera Labs and its investors raised US$713 million (S$957 million) in the semiconductor connectivity company’s initial public offering (IPO), pricing the shares above a marketed range that had already been elevated. Tapping demand for investments related to artificial intelligence, Astera and the current stockholders sold 19.8 million shares on March 19 for US$36 each, according to a statement confirming an earlier report by Bloomberg News.