Stocks finished mixed, as investors largely held off making bets ahead of tomorrow's ECB monthly policy meeting in which it may announce steps to stimulate Europe's economy.
Shares rose early, following gains in Europe and Asia, but pulled back near midday as tech stocks weighed; the tech sector fell 0.8%, with Apple falling 4.2% as Pacific Crest suggests taking profits one week ahead of the expected unveiling of the latest iPhone.
The Nasdaq Composite's 0.6% loss was its worst showing since Aug. 5; Apple has the biggest weighting in the index at 8.7%.
Crude oil futures, which fell 3.2% yesterday, bounced 2.6% today to $95.33, aided by some dollar weakness; energy was among the day's best performing stock sectors.
U.S. Treasury prices changed course midday to push higher, with the yield on the benchmark 10-year note edging down to 2.40%.