Walgreens has the dubious distinction of being one of the stocks that has had the shortest duration in the Dow Jones Industrial Average. At $22, Walgreens has the lowest stock price in the index, which traditionally would make it a target for replacement. "Since the indexes are price weighted, the Index Committee evaluates stock price when considering a company for inclusion. Right now, the highest priced stock, UnitedHealth Group , is more than 23 times the value of the lowest priced stock, Walgreens. Finally, one wonders how Uber executives feel about the decision to put them into the Dow Jones Transportation Index.

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Persons: Dow Jones, Dow Industrials, Uber, CNBC's Robert Hum Organizations: Walgreens, Dow Jones, Alliance, Dow, UnitedHealth, Walmart, WBA, General, General Electric, U.S Rubber, GE, Dow Jones Transportation, JetBlue, Transports, Avis