Consider the average return of the stock market by day of the week reported below. As can be seen on Mondays the share market on average has negative returns. This could be in response to the type of news released over the weekend by company management when the share markets are closed. Average Return on Various Days of the Week 0.10% 0.08% 0.06% 0.04% 0.02% 0.00% -0.02% -0.04% -0.06% -0.08% Monday Tuesday Wednesday Thursday Friday Required What behavioural bias could motivate company managements to release the type of news that explains Monday's average returns? Are the Monday share price returns consistent with an efficient or inefficient market? (2 marks)