Squawk Box anchors discuss UK Commons Speaker John Bercow’s ruling out of a third meaningful Brexit vote this week, unless the motion is amended. We have detailed analysis live from our correspondents in Westminster and Brussels. Also, Facebook shares slump to their worst level this year following a downgrade while US crude holds near a four-month high after Opec cancelled its April meeting. Meanwhile, Boeing shares dip on the news that global regulators have discovered similarities between two recent fatal 737 MAX 8 crashes. We also take an in-depth look at recent Chinese market performance.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.