Equities started the week with a push to new highs but the move was short-lived. The S&P 500 index moved up above the 4,150 level within the first few minutes of trading but quickly fell back to break even under the weight of caution. The PCE price index is due out this week and may send the market into another tailspin. The index is expected to retreat from last month's high of 9.1% but the risk of a hotter number is very high. While the price of oil has come down in recent weeks it is still high relative to the recovery and underpinning higher prices. The risk for the economy, however, is ongoing systemic increases in prices that point to compounded inflation for consumers later in the year.

In business news, a warning from Nvidia that demand is slowing added downward pressure to stocks. The company says weakness in the gaming industry is leading to weaker than expected Q2 results. The risk for the market is that weakness will bleed over into other chip maker results and other industries.