MicroStrategy sends sharp warning letter to MSCI [https://www.thestreet.com/.image/t_share/MjE5MTQwNjQzOTc1MzQxOTU3/michael-saylor-microstrategy.jpg] MicroStrategy sends sharp warning letter to MSCI Strategy says MSCI's index proposal targets DATs and is "discriminatory, arbitrary, and unworkable." [https://www.thestreet.com/crypto/markets/microstrategy-sends-sharp-warning-letter-to-msci]