Rich Sparkle shares surge 21.05% intraday as stable demand for ANPA HK's financial printing services drives momentum.

Rich Sparkle surged 21.05% intraday, driven by strong demand following a 3.65% premarket gain on April 1, where ANPA traded at $8.80, up $0.31 from the previous close of $8.49. The stock continued to rise after hours. On March 31, the company filed a 424B3 prospectus, revealing that its Hong Kong subsidiary, ANPA HK, provides end-to-end financial printing services—such as prospectuses, annual reports, and announcements—for listed and upcoming Hong Kong companies, with stable business demand.