"I recently sold all my U.S. stocks because I know I've seen this party scene before. I'll say it again: I'm worried."Jim Rogers, who has been missing for a long time, recently had a very relaxed exchange with James Connor, CEO of Bloor Street Capital, in a podcast conversation.Rogers is the co-founder of Quantum Fund and has created one of the most dazzling hedge funds in history with Soros.He is an adventurer who travels around the world on a motorcycle and measures investment opportunities with his footsteps. He is known as the "world investment wanderer"; he is also one of the first foreign investors to bet heavily on the Chinese market. In 1999, he opened a B-share account on the Shanghai Stock Exchange and bought a large number of Chinese stocks at a low price of 20 cents per share.U