Renowned investment expert Jim Cramer recently shared his top trading strategies and admitted to a major mistake from his early investing years. What Happened: Cramer advised investors to begin their trading journey with small steps, a well-defined plan, and deliberate actions, CNBC reported. “If you’re trying to trade, make sure you have a catalyst, an exit point where something’s supposed to happen, and then get out of the stock even if the idea doesn’t pan out,” he explained, differentiating trading from long-term investing. The CNBC host, known for advocating long-term investments over tra…