The S&P 500 is at the lows of the day, down 10 points or 0.2%, to 5397.

The index has tried to rally several times but has carved out a series of lower highs over the two trading days this week. That's a red flag headed into the final hours of trading.

SPX 10 mins
SPX 10 mins

Yesterday's low of 3585 is a spot to watch.

Source: Forex Live