A decline in transportation stocks is sending a worrying signal about the broader stock market. Transportation stocks are viewed as a leading indicator because they point to the movement of goods around the country. AdvertisementAdvertisementA steady decline in transportation stocks is sending a worrying signal about the broader stock market and its chances to stage a year-end rally. If companies are seeing a slowdown in growth and their stock prices fall, it could be a grim warning for the rest of the economy and stock market. AdvertisementAdvertisementAnd if the latter happens, crucial support levels would be broken and investors' highly anticipated year-end rally in the stock market, partly explained by bullish seasonals, would be on thin ice.

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Persons: —, Hunt, Dow Jones, bullish seasonals, J.B, Shelley Simpson, Robert Isom, We're, Isom, Joe Hinrichs, Hinrich, Dow, Manuel Blay, TheDowTheory.com, Dow Industrials Organizations: Service, Dow Jones Transportation, United Airlines, American Airlines, CSX Transportation, Dow, Industrial, CNBC, CSX Locations: Israel