Global index provider MSCI slides on revenue miss

** Shares of global index provider MSCI MSCI falls 5.4% to $487.17 premarket

** Co fell short of analysts expectations for Q1 revenue for the first time in nearly 2 years - LSEG

** Q1 profit tops estimates as market volatility sparked demand for its index products and analytics services

** MSCI shares down ~9% YTD after rising 21.6% in 2023