Suleiman Kerimov, Russian billionaire, speaks during a conference session on the opening day of the St. Petersburg International Economic Forum 2013 (SPIEF) in St. Petersburg, Russia, on Thursday, June 20, 2013. Russian consumer spending probably eased and investment shrank at the fastest pace since 2011, adding to evidence the $2 trillion economy is stalling. Photographer: Simon Dawson/Bloomberg via Getty Images