By Elliot Gulliver-Needham Liontrust has a problem – they can’t stop trying to buy companies. Majedie Asset Management, Neptune Investment Management, the infamous failed takeover of GAM – and now Artemis. Reports came out from the FT this week that Liontrust and Artemis had been in talks over an acquisition, which would have made it the eighth asset management company bought by Liontrust over the last 12 years. When approached for comment, Liontrust told City A.M. that it was not in talks with Artemis over the issue, though FT sources said that the negotiations had already stalled. The most r…