Snap's late-stage private investors are counting on an IPO pop to cash in on their high-dollar investments. Between February 2015 and May 2016, Snap raised $1.8 billion in 11 separate stock sales, according to the company's prospectus. Investors including Fidelity, T. Rowe Price and Coatue Management bought the shares for $15.36 each, on a split-adjusted...