Of course. Many, such as Bush and Greenspan, receive gov. numbers the night before. Who handles that piece of paper they receive? I'm sure leaks are even greater with non-gov numbers.
Same reason whenever price rises or falls before a report: there are enough people willing to bet that there will be a breakout that they'll take a position in the dark.
Same reason whenever price rises or falls before a report: there are enough people willing to bet that there will be a breakout that they'll take a position in the dark.
Depends on the trader and what he knows about probability. Today, for example, both the ES and NQ bounced off a pivot level which coincided with Friday afternoon's high (which may also have been a last reaction high), so the report was probably irrelevant to anybody buying that bounce. Traders seeing the price rise and who don't follow S/R may have thought something was up and jumped onboard. The ISM number itself is not usually a big market-mover.