Personal Finance 3 behavioural biases investors must avoid Updated : October 21, 2020 10:11 AM IST Behavioural bias is one aspect of investing that manages a lot of decisions that investors make. Any pre-conceived notion that investors have, may unfavourably impact the judgement. An investor should eventually understand that his/her own behaviour can be the enemy of the returns, if not coped well. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.