What is the fine-grained topic of the following text: Obama today’s release of manufacturing profits showing a 9.45% increase in after-tax profits, from 134 billion in the 4th quarter of 2011 to 146 billion in the 1st quarter 2012, which caused him to claim the private sector is OK. Only return the topic.
Increase in manufacturing profits in 1st quarter 2012 leading to Obama's claim about the private sector's condition