Surging butter prices in Russia have led to increased thefts in some supermarkets and prompted Moscow to boost imports of the staple food product from nearby countries, Russian media reported. According to Rosstat, the state statistics agency, butter prices jumped 25.7% from Jan. 1 to Oct. 28. Rusprodsoyuz, a union of food producers, reported that a kilogram of butter now costs an average of 1,000 rubles ($10.66), up by 20% since January. Higher production costs, coupled with increased demand for ice cream and cheese, have driven the price surge, according to Soyuzmoloko, the national dairy pr…