Geopolitics: Why it pays to read the news...

My, the list of geopolitical issues is getting longer: Russia and Ukraine, ISIS, Ebola, and the rekindling of the Eurozone crisis. Sure, they are a huge headache for politicians, but they could also spell trouble for those investors who don't fully understand the implications.   Double-discounting Russia Take sanctions against Russia. French carmaker Renault generates a tenth of its earnings from its Russian business. Investors would be right to conclude that sanctions are going to impact on the company. Why then has Renault's share price slumped 20% because of this exposure to R...