... Vorkink. (2006). Investor Overconfidence and Trading Volume // Review of Financial Studies, No 19 , p. 15 31- 1565. Investment Analysis and Portfolio Management ... 20 01, 25, p. 13 39 -13 66. 13 . Shapira, Zur, Itzhak Venezia (20 01) . Patterns of Behavior of Professionally Managed and Independent Investors. // Journal of banking and Finance, 20 01, 25, p. 15 73 -15 87. ... day Sunshine: Stock Returns and the Weather. // Journal of Finance, 2003, 58, p. 10 09 -10 32. Investment Analysis and Portfolio Management 13 0 However general level of optimism and pessimism...