Analysts and fundamental portfolio managers are trying to shift towards a quantitative approach, Institutional Investor reports. : Venture-capital backed Prattle will begin offering a new service Monday that quantifies and scores the language used in earnings calls and reports filed by 3,000 U.S. public companies. The company, which is backed by venture-capital firms including New Enterprise Associates and GCM Grosvenor, uses natural language processing and machine learning techniques to improve on current methods of analyzing text and sentiment.