Summit Partners, a global growth equity firm, agreed to invest €50m ($61m) in Solactive, a German provider of financial indices based in Frankfurt. "We are proud to be one of the fastest growing index providers in the world and widely regarded as a disruptor in the global index market. We are excited to join forces with Summit Partners and work together to further accelerate our journey. Summit brings significant experience in the technology and financial services sectors, as well as deep resources in supporting the expansion of our businesses across products, regions and client segments," Steffen Scheuble, Solactive Founder and CEO.