Index Reconstitution: How Benchmark Rebalancing Works

On the last Friday of June, a full year of index reconstitution lands in a single closing auction. I keep that date circled because the tape turns strange into the…

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Short Interest: What the Number Actually Tells You

A stock runs for three sessions and the message board fills with one number. Short interest is 22 percent, someone posts, so the squeeze is coming. I've watched that exact…

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