RLYP might also be a buy out candidate by Actelion ? read article "However, sources told Bloomberg that Actelion is considering a number of possible acquisitions, and is not committed to one particular deal. " http://www.thestreet.com/story/13285566/1/zs-pharma-zsph-stock-climbing-on-preliminary-acquisition-talks.html?puc=yahoo&cm_ven=YAHOO