register now for free unlimited access to reuterscom register the aig logo is seen at its building in new yorks financial district march 19 2015 reutersbrendan mcdermid sept 15 reuters  corebridge financial inc crbgn the life and retirement unit of insurer american international group inc  notched a valuation of 132 billion in its us market debut on thursday after shares opened 24 below their offer price the lukewarm reception to the biggest us ipo so far this year comes against the backdrop of a global market turmoil that has shaved billions off corporate valuations russias invasion of ukraine and us inflation that is hovering at a 40 yearhigh have dampened investor sentiment and dried up the ipo market in 2022 the 168 billion raised in the ipo would go to aig and the new company is not raising capital according to regulatory filings read more shares opened at 2050 each below their offer price of 21 apiece reporting by niket nishant in bengaluru editing by vinay dwivedi