“…Finally, every stock must have at least 30 valid monthly observations. (Fama and French, 2012, Gong, Liu and Liu, 2015, Griffin, Ji and Martin, 2003, Naranjo and Porter, 2007, Chui, Wei and Titman, 2000, Chui et al, 2010, Asness, 2011, Hanauer, 2014. The alphas of CAPM and Fama-French bear the same conclusion.…”