The Dow Jones Industrial Average, or “The Dow”, is one of the oldest and most widely followed stock indices in the US. First published in 1886 by Charles Dow, the index consisted of 12 industrial companies. Since then, it has grown to 30 companies and has tilted further away from its industrial roots. But should you care about the Dow? Kara answers this and addresses the flaws of the Dow in this week’s Money with Murphy.