Shares of Dow Inc. and Cisco are seeing declines Wednesday afternoon, sending the Dow Jones Industrial Average into negative territory. Shares of Dow Inc. DOW, -3.40% and Cisco CSCO, -2.36% have contributed to the index’s intraday decline, as the Dow DJIA, -0.20% was most recently trading 326 points lower (-0.9%). Dow Inc.’s shares have dropped $2.34 (4.0%) while those of Cisco are off $1.67 (3.0%), combining for a roughly 26-point drag on the Dow. American Express AXP, -1.31%, Chevron CVX, -0.91%, and Merck MRK, -1.22% are also contributing significantly to the decline. A $1 move in any one of the 30 components of the benchmark equates to a 6.58-point swing.