FTSE 250 on track for biggest one-day gain since 2016.

Hopes of progress in trade talks between the US and China, and that a Brexit deal may still be pulled from the fire, have sent the pound soaring against the dollar in the last two days. In turn that has sent the domestically-focused FTSE 250 index sharply higher.

The pound has leapt by 3percent against the dollar in two days to a three-month high of $1.257 although gains against the euro are more modest suggesting that the chances of a Brexit deal are still some way off. The FTSE 250 index, which is largely made up...