Here's some links on caring for bubble corals. Yours could be suffering from the stress of being moved, light conditions, or water quality/flow. See if any of the information in these links can help you out. Good luck 
http://www.liveaquaria.com/product/prod_Display.cfm?pCatId=2048
http://www.marinedepotlive.com/bubb...sogyra-species-corals--large-polyp-stony.html
http://www.wetwebmedia.com/caryophyllids.htm

http://www.liveaquaria.com/product/prod_Display.cfm?pCatId=2048
http://www.marinedepotlive.com/bubb...sogyra-species-corals--large-polyp-stony.html
http://www.wetwebmedia.com/caryophyllids.htm