shares of nike inc nke sank 93 in premarket trading friday putting them on track to open at the lowest price seen in more than two years after the athletic apparel and accessories giant warned that it will have to cut prices to clear excess inventory hurting profit margins the stock was the only one of the dow jones industrial average djia components that was falling in the premarket as dow futures ym00 rallied 175 points or 06 given that nikes stock was the eighth lowestpriced dow stock at 9533 as of thursdays close and the dow is a priceweighed index the implied price decline from the big percentage selloff would shave only about 58 points off the dows price in comparison a similar percentage decline in the dows highestpriced stock unitedhealth group incs unh at 50383 would cut about 311 points off the dows price