$Invesco QQQ Trust(QQQ.US)The essence of investment is to select high-quality assets with future cash flows. The U.S. stock market gathers the world's most innovative and globally cash-flow-generating giant companies, and it is at the center of the three technological revolutions, forming a virtuous cycle of accelerating market capitalization growth, with a long-term positive historical performance. Therefore, the answer to "Can we invest in U.S. stocks?" is clear: if you accept the investment logic of discounted future cash flows and recognize the development trends of global technology and markets, then U.S. stocks are that "pond with fish."$NVIDIA(NVDA.US)$Alphabet(GOOGL.US)