China's Micron Challenger Goes Public! $9.8B IPO May Drain Chip Stocks

China's memory chip manufacturer ChangXin Memory Technologies (CXMT) is preparing to raise up to $9.8 billion through an initial public offering (IPO) on the Shanghai Sci-Tech Board, potentially making it the second-largest IPO in Chinese history. However, a Bloomberg column warns this highly anticipated deal could become a 'toxic chalice,' attracting massive capital while draining market liquidity from other artificial intelligence (AI) and semiconductor stocks.

The largest ETF tracking the STAR 50 Index, Huaxia SSE STAR 50 ETF, recorded a record inflow of RMB 13.8 billion (approximately $2 billion) on Monday. Traders widely interpret this as the Chinese 'national team' stepping in to support the market and prevent further declines in tech stocks ahead of CXMT's IPO.

This move is unusual even by Chinese market standards. In the past, the national team primarily bought broad-based indices like the CSI 300, rather than focusing on a specific sector. The Sci-Tech Board, however, is highly concentrated on enterprises that align with national strategy and possess breakthrough technologies. After falling into a bear market last week, the STAR 50 Index rebounded strongly by 11% on Tuesday.

The national team's intervention coincides with the payment deadline for CXMT's new share subscription. This IPO has become the market's hottest investment target, with retail investors oversubscribing the retail tranche by over 200 times. Yet, the STAR 50 Index has sharply declined since CXMT began its price inquiry, suggesting investors may be selling other holdings to raise funds for the IPO subscription.

CXMT is China's only domestic player with the potential to enter the global dynamic random-access memory (DRAM) market, attempting to challenge the dominance of Samsung Electronics, SK Hynix (SKHY-US), and Micron (MU-US). The company has doubled its market share to 8% over the past year and, amid a memory upcycle, has become a cash-flow-strong enterprise.

CXMT's IPO is priced at 2.4 times book value, significantly lower than Semiconductor Manufacturing International Corporation's (SMIC) 8.6 times and Hua Hong Semiconductor's (688347-CN) 11.7 times. According to Bloomberg data, Chinese listed chip companies had an average price-to-book ratio of 10.3 times before CXMT began its price inquiry. This lower valuation could incentivize investors to sell expensive existing chip stocks and shift funds into CXMT.

China has seen multiple instances in the past where the stock market peaked and sharply corrected after a large state-owned enterprise IPO, including PetroChina's listing at the end of 2007 and Guotai Junan Securities' listing in mid-2015. Beijing's large-scale purchase of STAR 50 ETFs now sends a clear policy signal of support for the chip sector, as China still needs a vibrant Sci-Tech Board to raise capital for national-level AI companies preparing for listing, such as Yangtze Memory Technologies and Unitree Robotics.

CXMT is scheduled to list next Monday, with an IPO valuation reaching RMB 579 billion. The market widely expects strong first-day performance, driven by its strategic position and relatively reasonable valuation. However, both SMIC and Hygon Information (688041-CN) experienced sharp post-IPO rallies followed by profit-taking. If CXMT quickly becomes a trillion-RMB market-cap company, the Sci-Tech Board and the national team will still face the challenge of maintaining market stability.