After their attack on Pearl Harbor, what did Japanese leaders do next?

The Japanese tried to gain as much territory as possible. That was the whole point of Pearl Harbor: the U.S. stood in their way of total Pacific conquest. They launched attacks against the Phillippines, Singapore, Malaya, and Hong Kong all in the same day.

keeping a cash reserve because cash flow is the the movement of money through a company and if it just sits there, it wont the movement