With the market benchmark up just 0.3%, roughly 400 of its member stocks were trading higher. The Dow was up 334 points, or 0.8%. The Nasdaq Composite was mostly unchanged.
By contrast, the Invesco S&P 500 Equal Weight ETF, or RSP, was up 0.8%. RSP shows what the S&P 500 would look like if every stock in the index had the same weighting, so it’s a proxy for market breadth.