The Taiwan stock market has shown weak performance today (21st), with the index down by 250 points. Factors such as the Trump trade war have led to a total decline of 3,000 points over the past month. TSMC reported in its shareholder meeting that its new factory in Arizona incurred losses exceeding NT$14.2 billion last year, while its plants in Kumamoto, Japan, and Germany also recorded losses. The market saw an initial dip of 73 points, which further expanded to a decline of over 290 points during the day. However, the Financial Supervisory Commission has implemented an indefinite short-selling ban, and this week is a significant earnings week for major U.S. tech stocks, which may impact market liquidity.

TSMC, which opened at NT$844, has seen its stock price underperform expectations following last week's report meeting, prompting analyst Weng Wei-chieh to comment, “Especially after TSMC's earnings call last week, the stock performance did not meet market expectations, and uncertainty remains until the announcement of Trump's semiconductor tariffs.”

Experts point out that the Financial Supervisory Commission's indefinite short-selling ban and the upcoming earnings reports from U.S. tech giants will be key factors to watch. Investment company VP Lin Ru-yi noted, “When the market heard of losses from its subsidiaries, it naturally reacted with surprise and saw a sharp decline.” TSMC reported cumulative losses exceeding NT$39.4 billion from its Arizona plant, while its Nanjing plant in China has made significant profits of over NT$25.9 billion. Semiconductor expert Qu Jianzhong stated, “Last year's losses were at their highest, and revenue hasn’t come in yet, so the next couple of years may see the largest losses. However, American customers are increasingly inquiring about TSMC, and the price increase of 30% at the U.S. plants should lead to an improvement in losses.” While short-term losses are unavoidable, experts are optimistic about long-term profitability as production ramps up. The U.S. semiconductor tariffs and the U.S.-China trade conflict remain critical focal points to observe.