The document discusses key aspects of efficient markets including that stock prices reflect all available public and private information, making it impossible to consistently outperform the market. It also notes that market prices are fair, representing the amount assets would trade between knowledgeable parties. Additionally, the document contrasts real assets that produce goods/services with financial assets that are claims on real assets or income from assets, and discusses how globalization has increased funds available for international borrowing while providing more investment opportunities.