BlackRock CEO Larry Fink cautioned that the next 90 days may be turbulent. "The markets need certainty," Fink said during a panel discussion in Riyadh, Saudi Arabia. "We're going to have volatility in the next 90 days," he added. (Source: Saudi-US Investment Forum) -------- More on Bloomberg Television and Markets Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9 Visit http://www.bloomberg.com for