IBM Moves the Entire Dow

This is exactly why I value my Price/Volume Relationships. Do you have faith in an index like the Dow when the entire move up on the day is because of 1 stock?

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Here's the current Dow-30 component weighting for the top 10 components, note IBM accounts for 10% of the weight. IBM is up 4.38% and the Dow +.36%. Right now 13 of the 30 components are in the green, nearly half of them are at gains less then the Dow's.