Last week, the Federal Reserve reported that 17 of the nation's 18 largest banks passed this year's round of stress tests. Among those making the grade was Citigroup (NYSE:C). The question this week, set to be answered on Thursday, is whether the Fed will allow Citigroup to return capital to shareholders by means of a share buyback program. In the video below, Motley Fool contributor John Maxfield discusses why he thinks the chances of this are good.