51WORLD shares plunged 7.78% in intraday trading on Monday, extending losses as the company convened a board meeting to review its interim results for the six months ended June 30. The sharp decline reflected mounting market concerns over the firm's revenue trajectory and profit recovery pace.

Institutions had previously flagged caution on quarterly revenue, citing ongoing pressure on the company's revenue structure. The completion of a discounted placement of 5.4656 million new H shares in early July at HKD 73.2 per share—a roughly 12% discount—raised net proceeds of about HKD 395 million, but also intensified worries over continuous losses and cash flow strains. While the recent approval of the L3 mandatory national standard has shone a spotlight on the simulation sector, uncertainty around near-term earnings realization continues to cap the stock's performance.