Warren Buffett's Berkshire Hathaway (NYSE:BRK-B) made an investment in Goldman Sachs (NYSE:GS) in late 2008 as a confidence boost, and it was set to expire this coming October. However, Berkshire and Goldman have come to an agreement to convert the position into common stock, which will make Buffett one of the largest shareholders in Goldman. In this video, Fool financials analyst David Hanson takes a look at where Goldman stands today, and why Buffett sees good value in the company going forward.