It is the level where were released on the way up - so there were natural buyers who wished to accumulate stock at that level who were waiting to an opportunity to buy at their price. They didn't want to chase after shares after the report, rather, they lay in wait for a chance to buy them.
It is essential to know where a stock was just before, during and just after were released to give you the keys to the "hidden levels" of in a stock chart. This technology is now available to you through TradingView.
Tim 2:33PM EST 12/2/2014