Tech stocks are extending their rally into a fourth straight session on Tuesday, with the Nasdaq 100 climbing 0.7% by midday to reach a new record high of 26,000 points, as optimism builds ahead of key earnings and a widely expected Federal Reserve rate cut. The tech-heavy benchmark is now up 4.5% over the past four sessions, putting it on pace for its strongest four-day advance since mid-May. Investors are also closely watching geopolitical developments as a pivotal meeting between President Donald Trump and Chinese President Xi Jinping is set for Thursday. According to The Wall Street Journal, the U.S….