Knight Capital Group Inc. (Nasdaq: NITE) has agreed to acquire EdgeTrade Inc., a New York-based provider of agency-only trade execution and algorithmic software. The deal is valued at approximately $58 million, including $29.5 million in cash and 2.3 million shares of unregistered Knight common stock. EdgeTrade had raised VC funding from Edison Venture Fund, and was advised on the deal by Evercore Partners.