On October 28, following President Trump's delay of EU tariffs, the US stock market saw all four major indices open in positive territory. Notably, stocks for Apple and Nvidia demonstrated impressive gains, while TSMC's ADR and Tesla faced declines.

The US market opened at 9:30 PM Taiwan time, with the Dow Jones Industrial Average starting at 42,361.63 points and climbing to 42,376.84 points, an increase of 0.08%. The S&P 500 opened at 5,925.54 points and rose to 5,930.91 points, gaining 0.16%. The Nasdaq started at 19,232.62 points and increased to 19,246.27 points, showing a 0.25% rise. The Philadelphia Semiconductor Index opened at 4,868.56 points, fluctuating to 4,867.74 points, a 0.14% increase.

In a statement on the 27th, President Trump expressed satisfaction with the 50% tariff delay, stating that negotiations with the EU were proceeding slowly. He noted that if an agreement was not reached or if treated unfairly, he had the authority to set terms for imports into the US.

In popular stocks, Apple opened at $200.68 and rose to $201.41, a 0.6% increase; Meta opened at $643 and increased to $650.25, a 1.23% rise; Nvidia opened at $136.05 but slipped slightly to $135.99, gaining 0.36%. Conversely, TSMC's ADR opened at $194.1 and dropped to $196.28, a 0.71% decline; Tesla opened at $364.84 and fell to $360.91, a 0.53% dip.