Saudi Arabia is opening its stock market to all foreign investors, in the kingdom's latest effort to boost flows and revive a market which has lagged emerging peers. Bloomberg's Christine Burke reports. -------- 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 business news & analysis, up-to-the-minute market data, features,