Investing.com -- Chinese memory-chip maker CXMT Corp. could become the mainland's most valuable listed company shortly after its Shanghai debut, following a heavily oversubscribed 66.6 billion yuan ($9.8 billion) initial public offering, Bloomberg reported. CXMT sold 6.688 billion shares at 8.66 yuan each before the potential exercise of an overallotment option. The share price values CXMT at about 580 billion yuan before trading begins. Newly listed shares are not subject to daily price limits during their first five trading sessions, leaving room for a sharp opening move. Related articlesCXMT set for historic Shanghai debut after $9.8 billion IPOWhy this analyst calls Nike's China pivot a high-stakes gambleBofA lifts cybersecurity stock targets to reflect long-term growth outlook