Economic factors: Overall economic growth or recession in Taiwan can significantly impact investor sentiment and corporate earnings, affecting stock prices.

Industry trends: Developments within the specific industry (e.g., construction) influence investor perception and performance expectations.

Company performance: Revenue, profit margins, and future growth prospects are crucial indicators for investors.

Market sentiment: General optimism or pessimism can drive buying or selling pressure, regardless of fundamentals.

Interest rates: Higher rates can make borrowing more expensive, potentially affecting company investments and consumer spending.

Government policies: Changes in regulations or fiscal policies can impact profitability and market conditions.

Global events: International economic trends, geopolitical risks, and commodity prices can affect Taiwan's stock market.

Supply and Demand: Like any market, the balance between the number of buyers and sellers for the stock will ultimately drive its price.

Investor confidence: The level of trust investors have in the company's management and future prospects is a major factor.