The Chicago Public School system is facing headwinds as it returns to the bond market next week, stung by back-to-back negative headlines. The news reports include the disclosure of a federal probe into a no-bid contract to a firm with ties to the district's chief executive officer and comments from freshman Gov. Bruce Rauner that raised bankruptcy as an option for the district. Brian Battle, director of trading at Performance Trust Capital Partners, [commented that] investors might be willing to overlook the governor's comments.