Dragged down by declines for shares of 3M and Verizon Communications Inc., the Dow Jones Industrial Average is declining Friday afternoon. Shares of 3M and Verizon Communications Inc. are contributing to the index’s intraday decline, as the Dow was most recently trading 171 points (0.6%) lower. 3M’s shares have dropped $3.69, or 2.2%, while those of Verizon Communications Inc. have fallen $1.16, or 2.0%, combining for an approximately 32-point drag on the Dow. Honeywell International Inc. Goldman Sachs and Merck are also contributing significantly to the decline. A $1 move in any one of the 30 components of the benchmark results in a 6.58-point swing.