Attached is the weekly Lipper chart from Barrons called cash track. It shows four charts for fund flows - equity funds, money market funds, municipal bond funds and taxable bond funds. Keep in mind that each of the charts are four week moving averages.
FOMO is the fear of missing out. In late stages of a bull market people see others getting great returns and decide to either come back into the equity markets or jump into equity markets for the first time.
