April Was Record-Setting for the S&P 500 by One Measure

  • More companies than ever traded above their long-term average
  • In 18 sessions, 95% of members eclipsed their 200-DMA
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The S&P 500 Index has had better months than the more than 5% gain it posted this April, but never before has a rally been so widespread and far reaching, according to at least one measure tracked by Bloomberg.

During 18 sessions this month through trading on Thursday, 95% or more of the index’s members traded above their 200-day moving average. That’s the most days ever observed in a single calendar month and double the previous high of nine days in September 2009.