Rather, they're deciding how much of their portfolio they want to keep in cash and choosing whether that share should be placed in money markets or similar products, most often savings accounts. In other words, "cash competes with cash," Crane said. Crane predicted the amount of cash in money markets will easily top $8 trillion before the end of the year.Peter Crane, the president of Crane Data and the publisher of the Money Fund Intelligence newsletter, said such admonitions overlook a common tendency in i ...