A look at the day ahead in U.S. and global markets from Mike Dolan.
read moreBut with the pound falling anew against the dollar on the credit rating and IMF warnings, the real problem is in UK government bonds, or gilts.
read moreWith Wall Street stocks hitting a new low for the year on Tuesday, global shares sank to two-year lows on Wednesday.
Fed chairman Jerome Powell and a host of other Fed speakers are in the diary again for later on Wednesday.
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