Overtrading: Making too many trades frequently, leading to increased transaction costs and potential losses due to impulsive decisions.

Ignoring Research: Failing to conduct thorough research on stocks before investing, leading to uninformed or speculative decisions.

Lack of Diversification: Investing all funds in one stock or sector without diversifying across different industries or asset classes, increasing risk.

Emotional Investing: Letting emotions like fear or greed drive investment decisions, leading to impulsive buying or selling.

Ignoring Risk Management: Not setting stop-loss orders or failing to have an exit strategy, which can lead to significant losses.

Chasing Performance: Investing based solely on recent high returns without considering the long-term fundamentals of a stock.

Timing the Market: Trying to predict short-term market movements rather than focusing on long-term investment goals.

Leveraging Too Much: Taking excessive margin or leverage, which can amplify gains but also magnify losses.

Ignoring Fees and Costs: Not paying attention to transaction costs, fees, or expense ratios, which can erode returns over time.

Lack of Patience: Selling too early or not holding onto quality stocks for the long term due to impatience or short-term market fluctuations.