The astrologer used the position of the planets to guide her choices.
The unpredictability of stock markets is proof of their overall fairness. Consider the various products you use in your daily life. It is not just false sometimes, or for some people, in the long term it is always false. If this were not true, if stock markets could be predicted, those markets would be neither fair nor open. The astrologer used the position of the planets to guide her choices.
If you are not yet a subscriber, please consider subscribing online now. Traders are allowed to go in the hole and continue to trade. In fact, the unpredictability of stock markets is proof of their overall fairness.
At the end of the trading time period, the outcome is displayed. Wild swings in value compared to the average market. In a recent university experiment, three people were given a chance to show their stock picking expertise.