Yalla Group (NYSE: YALA) shares tumbled 5.37% in after-hours trading on Monday, despite the company reporting better-than-expected first-quarter results. The Middle East and North Africa (MENA) focused social networking and gaming company posted adjusted earnings per share of $0.22, up 10% year-over-year, and revenue of $83.88 million, beating analyst estimates of $81.80 million.

The sharp decline in Yalla's stock price following the earnings release suggests that investors may have had even higher expectations for the company's performance. Despite the year-over-year growth in both earnings and revenue, the market's reaction indicates concerns about the company's growth rate or other factors not immediately apparent in the financial results. It's possible that investors were looking for stronger guidance or more significant bottom-line improvements given the competitive nature of the social networking and gaming industries.

Yalla Group, which operates voice-centric social networking and entertainment platforms in the MENA region, has been working to expand its user base and diversify its offerings. The company's ability to beat analyst estimates demonstrates some success in these efforts. However, the after-hours stock plunge highlights the challenges Yalla faces in meeting the high growth expectations set by investors in the dynamic and fast-paced tech sector. As the market digests the full earnings report, investors will be closely watching for any additional insights into Yalla's future growth strategies and potential headwinds.