The era of blindly buying and profiting is over. In a bull market, the first half rewards courage, and the second half begins to reward skill. The US stock market rally is definitely not over yet; next comes the time to truly test one's ability. The market will be more volatile and divergent; the test is no longer about whether you dare to charge in, but about position management, mindset, stock selection ability, and patience. The warm-up is over; the real game begins.