russia

By Robin Emmott BRUSSELS (Reuters) – The guessing game over U.S. interest rates is likely to intensify this week after new Fed Chair Janet Yellen raised the prospect of a hike early next year, while Russia's annexation of Crimea will keep investors focused on its next move. In a week heavy with diplomacy – U.S. President Barack Obama will meet Chinese counterpart Xi Jinping on Monday in The Hague – markets will seek clarity from the U.S. Federal Reserve on its monetary policy and from Russia over its intentions in Ukraine.