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"Fed chief Powell obviously didn't commit to easing at his appearance on Capitol Hill this week, but gave enough hints that more monetary (easing) mmunition is available," Khan said.

"Dirty cake"

"Establishing a set of rules and guidelines is relatively easy. The hard part is implementation (especially with regard to fire safety issues)," he said.

"During the promotional period, a user in Madrid received his parcel five hours after placing the order, which was unthinkable before," he said.

"Even if it's for a very short period of time, I think it would be a good thing," he told reporters.