NEW YORK (AP) -- U.S. stocks are moving mostly lower in midday trading as investors assess corporate earnings.

The Dow Jones industrial average fell 28 points, or 0.2%, to 16,886 as of midday Eastern time Friday.

The Standard & Poor's 500 index lost two points, or 0.1%, to 1,962. The Nasdaq composite rose four points, or 0.1%, to 4,400.

Fastenal, which makes industrial fasteners, fell 5% after reporting revenue that fell short of analysts' estimates.

The S&P 500 index is poised for its biggest weekly loss since April after closing out the previous week at a record high. It's down 1.2% so far this week.

Bond prices rose. The yield on the 10-year Treasury note fell to 2.51%.

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