Company Performance: Revenue, profit margins, and overall financial health directly influence investor confidence and stock price.

Industry Trends: The outlook for the specific industry 4770.TW operates in impacts investor sentiment. Growth in that industry would likely lift the stock.

Overall Market Sentiment: Broad economic conditions and investor appetite for risk affect all stocks, including 4770.TW. A bull market usually boosts prices.

Technological Advancements: Breakthroughs or disruptions related to 4770.TW's technology impacts its future prospects and, therefore, its stock value.

Regulatory Environment: Changes in regulations can benefit or harm 4770.TW, affecting its profitability and stock price.

Competitive Landscape: The actions and performance of 4770.TW's competitors can significantly impact its market share and stock value.

Global Economic Factors: Global economic health, exchange rates, and international trade policies impact 4770.TW's overseas operations and stock price.

Investor Sentiment: Positive or negative news reports, analyst ratings, and general investor opinions towards 4770.TW greatly affect supply and demand.

Interest Rate Changes: Interest rate hikes can decrease investment in stocks and lower stock prices, while rate cuts might increase investment.

Supply and Demand: The basic economic principle of supply and demand directly impacts 4770.TW's stock price. More buyers than sellers means higher prices.