The Dow Jones Transportation Average /zigman2/quotes/210598063/realtime DJT +2.73% sank 111 points, or 1.0%, with all 20 components losing ground, as the transport-sector tracker bucked the bounce that has lifted the broader stock market into positive territory. The Dow transports were being led lower by shares of trucker J.B. Hunt Transport Services Inc. /zigman2/quotes/205536609/composite JBHT +0.55% , which shed 1.8%, and logistics company Expeditors International Inc. /zigman2/quotes/203110734/composite EXPD -0.30% , which slid 1.7%. Among the most-active transport components, shares of American Airlines Group Inc. /zigman2/quotes/209207041/composite AAL +7.44% gave up 1.2%, Delta Air Lines Inc. /zigman2/quotes/200327741/composite DAL +7.95% dropped 1.0% and Southwest Airlines Co. /zigman2/quotes/201071949/composite LUV +5.14% fell 0.3%. Meanwhile, the Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA +1.30% was down 14 points, or less than 0.1%, but had been down as much as 216 points earlier. The S&P 500 /zigman2/quotes/210599714/realtime SPX +0.27% gained 0.1% and the Nasdaq Composite /zigman2/quotes/210598365/realtime COMP -0.39% tacked on 0.2%, reversing earlier losses of as much as 0.6% for the S&P 500 and 0.9% for the Nasdaq.