ST. LOUIS, Missouri, Dec. 13 -- Bryan Cave Leighton Paisner, a law firm, issued the following news: BCLP advised BGC Group, Inc. with the sale of Capitalab business, a leader in Rates Portfolio Compression and Margin Optimization, to Capitolis UK Limited. BGC is a leading global marketplace, data, and financial technology services company for a range of products, including fixed income, foreign exchange, energy, and now the FMX Futures Exchange. BGC's clients include the world's largest banks, more PR