On Friday, July 17, U.S. markets sold off sharply. The Nasdaq Composite fell 1.40%, the S&P 500 dropped 1.01%, and major chip stocks were hammered: Nvidia fell 2.2%, Applied Materials 5.6%, and ASML 5.3% . The PHLX Semiconductor Index slumped 10% over the prior week, pushing it into bear market territory—defined as a decline of 20% or more from a recent peak
.
Over the weekend, two central state-owned investment firms publicly announced coordinated stock purchases. China Reform Holdings Corporation (CRHC) said entities under its investment arm had deployed more than 50 billion yuan (~$7.38 billion) from special relending facilities and matching funds for share buybacks and stake increases . The firm stated it remained "confident in the outlook for China's capital markets" and would continue to increase holdings in centrally administered state-owned enterprises (SOEs)
.
Separately, China Chengtong Holdings Group made a similar pledge . Combined, the "national team" injections reached approximately CNY 60 billion (~$8.9 billion) by the end of the weekend
. The Wall Street Journal reported the total as nearly $9 billion
.
The intervention came on the heels of severe losses in Chinese markets. The tech-heavy STAR Market had tumbled more than 24% from its July 1 peak, wiping out over 4 trillion yuan in value .
The China Securities Regulatory Commission (CSRC) also acted over the weekend. According to multiple reports, the watchdog summoned financial institutions to an urgent meeting on Monday, July 20, to discuss market-stabilization measures . However, no public statement from the CSRC directly attributing its actions to the Moonshot/Kimi K3 selloff was found in the available search results. The available reports describe the CSRC as having convened institutions as part of a broader intervention, but a standalone, named CSRC press release or formal statement was not captured
.
The main public-facing announcements came from the two state-owned investment firms themselves, not directly from the CSRC . The CSRC's role appears to have been behind-the-scenes coordination rather than a front-facing public declaration
.
Within days of its launch, Kimi K3's popularity strained Moonshot AI's computing capacity. On Sunday, July 19, the company paused new subscriptions, saying demand had "pushed close to the limits of our current capacity" . The startup also began preparing for a potential Hong Kong listing, dismantling its variable-interest-entity structure to clear the regulatory path
.