“…Representative researches regarding this market sentiment were conducted by such studies as Lee et al (1991), Barberis et al (1998), Neal and Wheatley (1998), Daniel et al, (1998), Baker and Wurgler (2006), and Baker and Wurgler (2007). Moreover, many new studies follow the above papers are also seen in Tsuji (2006), Kurov (2010), Berger and Turtle (2012), Baker et al (2012), Alimov andMikkelson (2012), andStambaugh et al (2012). However, as far as we know, there seems to be little study which tests the market efficiency when market sentiment is extremely declined.…”