This column originally appeared on Real Money Pro at 8:28 a.m. EST on Feb. 20.NEW YORK ( Real Money) -- All the market optimism surrounding rising retail fund flows into U.S. stock funds and heightened M&A activity brings us to a segment in my diary that I like to call Really!?! With Dougie (a takeoff on Really!?! With Seth & Amy, an old Weekend Update routine on "Saturday Night Live." Really!?! Mr. Market? So individual investors, after taking $400 billion out of domestic equity funds since 2007, have waited to buy into the U.S. stock market until January 2013 after the S&P 500 has more than doubled? Really!?! Retail investors? Really!?! And some of you bulls think stocks will rise because of a great rotation out of bonds and into stocks by the retail investor? Really!?! Bulls? Really!?!