The following video is from Tuesday's Investor Beat, in which host Chris Hill and analysts Ron Gross and Joe Magyer discuss the hardest-hitting investing stories of the day.

In today's edition, Dell (NASDAQ: DELL) has decided to officially go private, with the help of a complex assortment of investors, including a major loan from Microsoft (NASDAQ:MSFT). Also, the U.S. Department of Justice is bringing legal action against Standard and Poor's ratings division. It has accused S&P of rating various risky mortgage securities as safer than they were, allegedly with fraudulent intent. Finally, Amazon.com (NASDAQ:AMZN) has come up with its own new currency.