The oil price is up $2 on the day, a surge that has been the driver behind today's higher markets.
Brent Crude is currently up $2.03, a 1.92% rise, at nearly $108 a barrel.
Oil dropped below $100 a barrel this time last week, and has been creeping back up towards $110 since.
The big stock market moves mid-afternoon are the oil companies - adding 23 points to the index. Miners have also added 18 points as commodity prices rose generally. Gold is up to $1,660 an ounce.
