With the evolution of the Dow Jones Industrial Average over the years to include quite a broad array of companies, many of which are not traditional goods manufacturers, and also the less representative nature of rails in the Transportation Index to include air, sea, and trucking companies there are other versions of Dow Theory floating around out there. One such popular methhod is to look at the S&P500 as representative of large-cap multinational companies many of which derive a good portion of revenue in non-dollar denominated markets and pair that with the small-cap index, the Russell 2000, which is primarily dollar-denominated domestic companies. We'll look at both below.