(marketscreener.com) The Swiss stock exchange's listing authority said on Wednesday that asset manager GAM Holding understated liabilities from its 2016 takeover of Cantab Capital Partners in its financial reporting....http://www.marketscreener.com/GAM-HOLDING-6320925/news/GAM-Swiss-exchange-challenges-GAM-over-Cantab-Capital-takeover-29678699/?utm_medium=RSS&utm_content=20191204