Rosetta Stone Lowers Outlook By: MarketMinute.com Stock News August 17, 2009 at 13:55 PM EDT Rosetta Stone Inc. (NYSE: RST) lowered its third quarter profit guidance and cancelled a stock offering announced a week ago sending the stock price plummeting $6.97 to $21.38. The stock made its debut in April 2009. Related Stocks: Rosetta Stone