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From the mouth of Overstock CEO Patrick Byrne: … We now have thorough documentation that Goldman Sachs just organized this crime, and it’s super clear … These guys are enemies of the republic … Read more (just an example of organized crime on Wall Street by the biggest houses): http://www.benzinga.com/life/movers-shakers/11/03/968259/byrne-ceo-of-overstock-continues-his-crusade-against-goldman Some spreadsheets about global solar companies, provided by an investor (odyd12) on yahoo message board: http://www.editgrid.com/user/odyd12/Global_solar_companies_financial_statements http://www.editgrid.com/user/odyd12/Capacity Overcapacity ? 38GW module capacity by end of 2011 vs. demand 22GW in 2011 (58% of capacity, vs. 75% in 2010 and 66% in 2009) 24GW capacity in 2010, capacity expansion 58% from 2010 to 2011, while . . . → Read More: Solar companies You’ve probably heard the street adage “cash is king”. But how much cash ? What is the best ratio of cash that one should hold in a portfolio ? Here in this note I’ll give a quantitative answer. Assumptions: * The portfolio consists of cash and a risky asset S (S can be a . . . → Read More: A Cash is King Theorem (This is a report that I made for a seminar on financial mathematics and investing, and a small investment fund created by the participants of this seminar. This report is not a recommendation to buy or sell anything to anyone else). Key findings: * Solar energy is the best source of energy: abundant, free, . . . → Read More: Solar Power Industry Analysis Today I just went quicky through a book by Augen about technical trading with options. This seems to be a quite interesting book, which contains not only interesting options trading strategies (not to be used blindly, but to be studied further and incorporated into a general investing strategy), but also information about the markets . . . → Read More: “The volatility edge in options trading”, by Jeff Augen (2008) For our “applied financial mathematics” seminar in Toulouse, I’ll try to post comments on the stock market from time to time. Today I bought a few shares of CWS (China Wind Systems), a little Chinese “clean anergy” company. Average price under 4. I think CWS is a relatively safe long-term holding. Reasons: - Growth . . . → Read More: A little gem: China Wind Systems According to the “Economics Committee” of the National Assembly of Vietnam, The foreign trade deficit of Vietnam in 2010 will amount to 13.5 Billions USD (a 5% increase from 2009). 80% of that trade deficit is due to China. The above trade deficit number is HUGE, considering the fact that the GDP of Vietnam . . . → Read More: Vietnam digging an ever increasing hole of trade deficit - World toy market report 2008 - India toy market: 90% of the toy market in India is unorganized (2006). A few big players like Mattel are present in India - UK toy market: consistent growth, 2007 sales = 2.3B pounds. The UK market is dominated by a handful of international toys and games . . . → Read More: Tidbits about toy markets Quyển sách Principles of Economics (các nguyên tắc kinh tế học) của Gregory Mankiw là một trong những sách tôi thấy viết hay nhất từ trước đến nay về kinh tế học, và muốn giới thiệu cho tất cả những ai quan tâm về kinh tế. Bản mà tôi đọc là bản in lần . . . → Read More: Sách “Principles of Economics” của Gregory Mankiw Only now I have a chance to read “The Age of Diminished Expectations” (3rd edition, 1997). This book is 13 year old, but the topics discussed in it are still very actual. Krugman is probably one of the best living economists, and he explains rather clearly in the book how and why things are . . . → Read More: Reading Paul Krugman’s book “The Age of Diminished Expectations” Updated: 01/09/2010 (thêm đoạn về Copernicus, Newton, Laplace) Bài viết này được gửi đến báo Tia Sáng. Bản trên báo giấy sẽ thiếu đoạn về Copernicus, Newton và Laplace so với báo điện tử, vì đoạn đó được thêm vào sau khi báo đã lên khung. Toán học và tài chính Toán học và . . . → Read More: Toán học và tài chính
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