The anniversary of the Sept. 11 attacks sees tepid trading.
Minimal market movement ahead of Friday's jobs numbers.
ETFs lose ground again, signaling the possible end to the summer rally.
Home builder ETFs get boost from home sales data; others remain flat.
With housing and employment data due, investors stayed on the sidelines.
Leap in home sales and signs of global recovery lifted market to 2009 high.
Oil prices climb above $72 a barrel, lifting energy ETFs.
Financial and retail ETFs gain ground as buyers return to the market.
Tightening liquidity in China and consumer confidence push ETFs lower.
Reports on consumer prices, industrial production spark a sell-off.