Revenue jumps at Rocket Internet's top start-ups

By Emma Thomasson BERLIN (Reuters) - Sales growth accelerated at the top online start-ups owned by German ecommerce investor Rocket Internet during the first six months of 2015 and it said some will break even in two years. Rocket Internet, Europe's largest Internet company, is viewed as a launch pad for future stock market listings from online fashion to food delivery firms although several mooted initial public offerings have been put on ice recently. The company said its top 12 start-ups, or