Yesterday's buying had nothing to do with leaked numbers, dummy, and even if it did you would have no way of proving that.
I think you are correct on all counts and questions. When I first saw a Toyota Land Cruiser, it cost $2,795. Now, $56,000. Here's why...
Technically the Federal Reserve Banks are not part of the Gov't. Do Fed member banks/individuals trade on the minutes, etc. before the official release? I'm leaning toward yes.