Investment risk management involves diversifying investments across different market sectors to reduce risk, avoiding overpaying for overpriced stocks, and having clear investment goals aligned with either long-term or short-term strategies. Key aspects of risk management include conducting fundamental analysis of stocks to evaluate pricing and financial ratios, diversifying across different industries that may be impacted differently by economic conditions, and maintaining a long-term perspective when investing rather than being swayed by short-term market volatility. The document provides tips on how to approach investment risk management through diversification, fundamental analysis, aligning with investment time horizons, and avoiding making decisions based on shifting economic sentiment.