There are longer-term fixed deals available, although these carry a hefty premium.

The shares have tumbled since then, turning what had been a hefty premium to rival retail stocks to a slight discount.

In a world of zero interest rates and slowing global trade, investors have placed a hefty premium on companies that offer growth.

With bids opening at about 8,600 each, therefore, the privilege of owning the eight political leaders' carts already carries a hefty premium.

The shares fell 9p to 23.36, so they sell at a hefty premium to net asset value.