NAMI jumped 157.56% intraday on August 7, 2026, after a Schedule 13G filing by Wu Capital Limited and Xinyi Cai disclosed a passive 10.79% ownership stake in the low-float microcap. The four-session rally from the August 3 close to the August 7 intraday high of $10.23 totaled roughly 221%, as traders and retail investors reacted to the high-profile, billionaire-linked signal in a name with an estimated float under 1 million shares. The filing was the only identifiable corporate catalyst driving the move. Market News hub
What happened
Wu Capital Limited and Xinyi Cai filed Schedule 13G with the SEC on August 6, 2026, the same day NAMI began its sharpest move of the year. The filing disclosed beneficial ownership of approximately 153 million shares, representing a 10.79% passive stake in 
The 13G was a passive ownership disclosure under Section 13(g) of the Securities Exchange Act, filed within the required window after crossing the 5% threshold. The document listed Wu Capital Limited as the reporting entity, with Xinyi Cai identified as the beneficial owner. No concurrent 13D (active intent) filing was made, and no specific plans for the stake were disclosed in the filing itself.
Price action confirmed the event-driven reaction. NAMI closed at $2.76 on August 3. The stock opened higher on August 6 after-hours, climbing to the $6-$7 range, then surged to a period intraday high of $10.23 on August 7 before settling at $8.86. Volume spiked dramatically in both sessions, consistent with a low-float name absorbing a large position disclosure with limited available shares.
NAMI operates as Jinxin Technology Holding Company, a Shanghai-based digital education content provider distributing through the Namibox learning app and related hardware. The company has a history of elevated volatility: a 1:25 reverse split compressed its share count, leaving it as a microcap with a market cap near $27 million. Prior recent disclosures include a Nasdaq compliance notice in February 2026 and an ongoing securities class action investigation announced by Rosen Law in April 2026.
Why it matters
The Wu Capital 13G marks the first disclosed large, high-profile shareholder in NAMI since its reverse split. In a microcap with an estimated float under 1 million shares, a single large investor holding more than 10% of outstanding shares represents a structural shift in the ownership register. Even without activist intent, the filing serves as a credibility signal from a billionaire family office, attracting momentum and retail interest that a smaller-cap name would not normally receive.
For monitoring purposes, the 5% 13G threshold is a regulatory trigger. Any investor crossing that line must file within 10 days of month-end. A subsequent upgrade to Schedule 13D, which signals active control intent, must be filed within 10 days of any purchase conferring more than 5% ownership with influence motivations. No such 13D filing had been made for Wu Capital as of August 7.
The float constraint is a compounding risk factor. With under 1 million shares available in the public float, bid-ask spreads widen and price discovery becomes fragile. A single large seller could reverse a significant portion of the recent gain, and traders positioning for a continuation should account for that asymmetry.
What to watch next
Watch for a potential 13D filing within the 10-day window if Wu Capital or related parties take steps indicating intent to influence NAMI's direction. A 13D upgrade would fundamentally change the narrative and likely draw additional institutional and media attention.
Monitor price and volume action around the $8-$10 range. If NAMI can absorb the post-surge volume and hold above $5, it suggests the move has some staying power. A quick reversal back toward the pre-13G $2.50-$3.00 range would indicate pure momentum and short-term overextension in an illiquid name.
Track any additional insider or affiliated buying from the Wu Capital ecosystem. Related entities filing Form 4 within the coming weeks would be visible on NAMI's profile and could extend or validate the thesis.
Watch for further corporate disclosures from NAMI, particularly any earnings releases, Nasdaq compliance updates, or product milestones that could provide a fundamental anchor to the current valuation.
