By Daily Crux Editor Brandon Herrin:

One of the most time-honored stock market analysis methods is Dow Theory.

Put simply, this method tracks the Dow Industrials and the Dow Transports. These two indexes represent the production of goods (Industrials) and the shipment of goods (Transports). When the two indexes move to new levels together, Dow Theory sets off its "buy" and "sell" signals.

Dow Theory just set off a "buy" signal. But as this article details, the extraordinary volatility we've seen in the market makes this signal very late to the party.

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