I guess the phrase is similar to "塵埃落定", meaning something's finally settled as it was planned and discussed. http://baike.baidu.com/subview/4902664/7046691.htm

源自一个笑话，楼上住着一个人，每天都会把两支靴子重重地扔到地板上，总会把楼下的人惊醒，时间久了，住在楼下的人只有在听到靴子落地的声音后才能入睡。

股市专用形容词。

something done as planned.