HK Stock Market Move | SICC Co., Ltd. (02631) surges over 12% and breaks through the ceiling. Citrini's report ignites enthusiasm for silicon carbide. The company's global market share continues to rise.
Tianyue Holdings (02631) surged by over 12%, reaching a high of HKD 122.8, setting a new record high since its listing. The stock price has doubled so far this month.
SICC Co., Ltd. (02631) rose by over 12%, reaching a high of 122.8 Hong Kong dollars to refresh its IPO high. The stock price has doubled so far this month. As of the time of writing, it has risen by 12.04% to 121.9 Hong Kong dollars, with a trading volume of 1.015 billion Hong Kong dollars.
On the news front, overnight, the overseas silicon carbide leading company Wolfspeed surged by over 16%, and its stock price has doubled since the beginning of the month. According to reports, a heavyweight report released by the globally renowned AI supply chain research firm Citrini on May 13 ignited the global capital market in the silicon carbide (SiC) sector. The report explicitly identified silicon carbide as the most underestimated core theme in the AI field. The report pointed out that AI power and AI infrastructure complement each other and are the core support for the development of the AI industry, with silicon carbide being the core increment of AI power. Whether in terms of efficiency requirements, technological compatibility, or industry chain maturity, silicon carbide has irreplaceable advantages in the AI high-voltage power scenario.
Public information shows that by 2025, SICC Co., Ltd.'s market share of conductive silicon carbide substrates reached 27.6%, surpassing Wolfspeed to become the global leader. Among them, the market share of the company's 8-inch silicon carbide substrates is at a commanding 51.3%. Prior research reports from Huayuan Securities pointed out that considering the company's ability to mass-produce 8-inch SiC substrates, it is expected to benefit from the recovery in the SiC substrate industry and witness demand growth.
Related Articles

HK Stock Market Move | Photovoltaic stocks across the board are falling, with Delixi and Longji canceling a 5.5 billion yuan photovoltaic glass order. Institutions point out that the industry's capacity clearing is progressing slowly.

NIO's Hong Kong stocks surged more than 7% at the opening, NIO ES9 has started nationwide user test drives and is about to go public.

On May 13, China Sanjiang (02198) spent HK$2.5619 million to repurchase 502,000 shares.
HK Stock Market Move | Photovoltaic stocks across the board are falling, with Delixi and Longji canceling a 5.5 billion yuan photovoltaic glass order. Institutions point out that the industry's capacity clearing is progressing slowly.

NIO's Hong Kong stocks surged more than 7% at the opening, NIO ES9 has started nationwide user test drives and is about to go public.

On May 13, China Sanjiang (02198) spent HK$2.5619 million to repurchase 502,000 shares.

RECOMMEND

Two Mainland Accounting Firms Approved for H‑Share Audits, Lowering Listing Costs and Deepening Mainland–Hong Kong Market Integration**The Ministry of Finance, the CSRC, and Hong Kong’s Accounting and Financial Reporting Council have approved two additional mainland accounting firms—RSM China and ShineWing—to conduct H‑share audit work, marking the first expansion of the list since 2010.
11/05/2026

HKEX Tightens Rules on Auditor Dismissals as Sudden “Audit Firm Switches” Raise Governance Concerns
11/05/2026

The Chip Stock Frenzy Is Still Accelerating
11/05/2026


