Company Performance: Strong earnings, revenue growth, and profitability usually lead to higher stock prices. Weak performance can negatively impact the price.

Industry Trends: The overall health and growth prospects of the semiconductor equipment industry influence the sentiment around 8443.TW.

Market Sentiment: General investor optimism or pessimism, often tied to economic conditions or global events, affects all stocks, including 8443.TW.

Economic Conditions: Factors like interest rates, inflation, and GDP growth can impact investor confidence and the demand for stocks.

Competitor Performance: The success or failure of key competitors can influence market perception of 8443.TW's competitive position.

Technological Advancements: Breakthroughs or disruptions in semiconductor technology may affect the demand for 8443.TW's products.

Regulatory Changes: Government policies related to trade, technology, or intellectual property can have a significant impact.

Currency Exchange Rates: Fluctuations in the Taiwanese dollar against other major currencies can affect the company's profitability and competitiveness.

Global Events: Geopolitical instability, trade wars, or pandemics can create uncertainty and volatility in the stock market.