US stock futures turned slightly lower from slightly higher

The S&P 500 reversed a 27 point loss yesterday to close two points higher at 2086. The market is more settled today ahead of the open with futures down fractionally.

Oil is in focus at the moment as it tests the lows of the week, down 45-cents to $42.82.

The next item on the agenda is US business inventories at 1400 GMT. That's a big factor for Q2 GDP revisions. A large EURGBP option expiry today is also now in play.

On retail sales, High Frequence Economics says it's good for GDP. "The data signal further upward revision to Q2 GDP and a solid start for Q3.

Q2 real GDP, reported up at a 2.3% annual rate in the advance report, now looks on track to be revised up to a 3.1% annual rate, instead of to 2.9%," Jim O'Sullivan writes.