General Motors is reportedly preparing for an IPO of 20% of Treasury's stake, which would reduce...Jun. 23, 2010 12:43 PM ETBy: Jason Aycock, SA News Editor2 Comments General Motors is reportedly preparing for an IPO of 20% of Treasury's stake, which would reduce the U.S. to a minority ownership in the automaker. An August registration could mean a November sale that would raise more than $10B. Recommended For YouTrending AnalysisTrending News