PSI is trading 1.59% up at $141.67 as semiconductor stocks extend their recent rally. - Strength across major holdings, including Nvidia, Micron, Applied Materials, and Lam Research, is supporting the ETF after chip stocks continued advancing following a broad September 18 rally. - Broader risk-on sentiment, rising technology shares, easing yields, and declining oil prices are also supporting the move, while SOXX rose about 3.4%.