A Dow Theory sell signal?

Mid-week market update: I suppose that this may sound counter-intuitive now that the market is undergoing a relief rally, but Ralph Acampora warned about a possible Dow Theory sell signal about two weeks ago should the DJIA decline to break its March lows.

What are the odds that the Dow will test its March lows, or break them to flash a sell signal?

Here are the bull and bear cases.

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