Buy the rumours, sell the news. It was bought up in anticipation of this news. Then sold off, once someone starts selling enough to move the price down a few th

Buy the rumours, sell the news. It was bought up in anticipation of this news. Then sold off, once someone starts selling enough to move the price down a few thousand, others pile in and drive it further down. Then those that sold at the beginning buy back their coins, with a nice profit.