How Bill O'Neill Scanned for Movers

William O'Neill used an IBM mainframe in the early 60s to accumulate all the data that you see, for instance, in this eBay chart. It was not just the price and volume, but it was the fundamentals, return on equity profit margins, the stocks industry group. Also fund ownership so over time he sold these data graphs,. which is a great example you see right now with eBay, and just kept accumulating over decades. Before that he also looked at the best performing fund managers and looked at their holdings and their buys and sells.