Intel, transports sap Wall Street's strength

The S&P 500 and Dow industrials pulled back from record highs and the Dow snapped a nine-session streak of gains. Southwest Airlines fell 11.2 percent and led other airline stocks lower after the company forecast a drop in a key profitability metric. The stocks dragged down the Dow Jones transport index , which is often seen as a barometer of the market's health and the overall economy.