Stocks are lower (SPY, SPX, DJI, IXIC, QQQ)

Stocks were lower in afternoon trading on Tuesday after the long weekend.
Near 1:24 p.m. ET, the Dow was down 79 points (0.45%), the S&P 500 was down 3 points (0.14%) and the Nasdaq was up 10 points (0.22%). 
The telecom sector led gains on the S&P 500, while consumer staples lagged. 
Last week was the best for stocks since March. On Friday, Federal Reserve chair Janet Yellen said at an event at Harvard that it would be appropriate to raise interest rates in the coming mon