Dow's selloff is unanimous, led by Caterpillar, Boeing

All 30 components of the Dow Jones Industrial Average DJIA, +0.18% are losing ground in Wednesday's premarket session, as Dow futures YM00, +0.02% shed 282 points, or 0.8%. The Dow's biggest losers are shares of Caterpillar Inc. CAT, -0.30%, down 1.5%, and Boeing Co. BA, +0.04%, down 1.4%, and Dow Inc. DOW, -3.10%, shedding 1.4%. The most active Dow stocks ahead of the open are Coca-Cola Co.'s KO, +0.44%, which fell 0.5%, and Apple Inc.'s AAPL, +0.38%, which declined 1.2%. The best performer was Johnson & Johnson's stock JNJ, -0.23%, which slipped 0.1%.