The positive returns to many major stock market indices over the past twenty-five years all came at market open.

Figure 1 of How to Increase Global Wealth Inequality for Fun and Profit is shown below (code).

As far as I am aware, Information, Impact, Ignorance, Illegality, Investing, and Inequality contains the only plausible explanation so far proposed for these highly suspicious returns.

Suspicious index returns

Bruce Knuteson