EN-US Wed, 22 May 2013 08:42:32 -0400 204704 http://articlefeeds.nasdaq.com/~r/nasdaq/symbols/~3/0WsE2g_01CE/weekly-ceo-buys-highlight-uthr-dnr-rick-perf-cm204704 Investing According to GuruFocus Insider Data , these are the largest CEO buys during the past week. The overall trend of CEOs is illustrated in the chart below: United Therapeutics Corporation (<img src="http://feeds.feedburner.com/~r/nasdaq/symbols/~4/0WsE2g_01CE" height="1" width="1"/> Mon, 07 Jan 2013 21:05:25 Z 2013-01-07T17:05:23Z GuruFocus DNR PERF RICK UTHR http://www.nasdaq.com/article/weekly-ceo-buys-highlight-uthr-dnr-rick-perf-cm204704