Coatue and Fidelity are early adopters of $12.4 billion startup Snowflake's new data exchange — here's why they think it can transform Wall Street

· As Wall Street's obsession with data continues to grow, firms are eager to make digesting information as easy as possible. 
· Buzzy startup Snowflake, most recently valued at $12.4 billion, has launched a data exchange that already counts hedge funds like Philippe Laffont's Coatue and data vendors like FactSet as...