Company Performance: YY's financial health, including revenue growth, profitability, and user engagement, strongly influences its stock price. Strong performance usually leads to a higher stock price.

Regulatory Environment: Regulations impacting online live streaming and social media in China, where YY operates, can significantly affect investor sentiment and stock value. Stringent rules may negatively impact YY's business.

Competition: The competitive landscape in the Chinese live streaming and social media market, including rivals like DouYu and Huya, impacts YY's market share and profitability, consequently affecting its stock price.

Macroeconomic Factors: Overall economic conditions in China, such as GDP growth, consumer spending, and interest rates, can indirectly influence YY's business and stock valuation.

Investor Sentiment: Market sentiment and investor confidence in Chinese tech stocks, especially those listed on US exchanges, can drive YY's stock price. Positive sentiment leads to increased buying pressure.

Acquisition & Deal activity: Merger, Acquisition & Divestiture deals can drastically change the stock price of YY.US. Investors are sensitive to such activities.