The stock rally ranks among the least-beloved in history, traders and analysts say. The technology bust and the financial meltdown taught individuals to shy away from stocks and to embrace bonds and cash. Investors poured $381 billion into bond mutual and exchange-traded funds between the start of 2014 and October, according to EPFR Global. Over the same span, they pulled a net $16 billion from stock funds.
Source: As Dow Approaches 20000: Has This Rally Just Begun? – WSJ