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Story about a Quant's life, this a math smart kid, Peter Muller, who worked for a risk analysis firm called Barra Inc in Berkeley, California, and later joins Morgan Stanley to help set up its Quant trading business. "Pairs trading" is one of the strategies Quants have used in the past in which two stocks which have a strong historical relationship provide clues as to how to short one and by another betting that the historical relationship will assert itself. "Statistical Arbitrage" is a more complex version of this and Muller's specialty was in this field at Morgan Stanley's Process Driven Trading Group (PDT). This Group produced profits from trading of about $3.5 billion in ten years upto 2006. This group now contains about $6 billion of Morgan Stanley's own money and accounted for 7.2 % of Morgan Stanley's net income with profits of $540 million in 2006. In the two weeks prior to August 9, Morgan Stanley's PDT lost about $500 million as the mortgage crisis broke out and put a wrench in the normal workings of the Quant's strategy and the fact that there are so many Quants operating with computerized trading may have added to the problem. the PDT has since recovered some of its losses. And its by no means certain that this has shaken Morgan Stanley's continued pursuit of income from Quant trading operations. The story thats told about Peter Muller is interesting as he tries everything to find happiness leaving his job for a while and playing his own music on albums and in the streets of Barcelona and New York city subway stations to soothe his restless soul and still comes back to his old job. All this happens while he is still 43. ...

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Andrew Stuttaford's excellent review of a book on the hyperinflation of Weimar Germany. In early 2010, the out of print book, "When Money Dies," by Adam Fergusson was trading for four figure sums. It describes life under hyperinflation in Germany and the events leading to it, the efforts to find a solution, and the collapse of the German economy with the worldwide great depression. The book describes the death of the German mark, with 20 marks needed to buy one British pound in 1914, going to 310 billion in late 1923! The story starts with the onset of war in 1914, and the fateful German decision to fund the war effort largely through debt and the printing presses. What exacerbated the situation was the relatively shallow capital markets in Germany, the creation of 'loan banks' funded by a printing press used by the central bank, and the muffling of all information. The stock markets were closed during the war and foreign exchange rates were not published. The destruction of the war, revolution, protests, imposition of reparations by the victorious powers, and terrotorial occupation worsened the situation. The efforts of central bank president, Rudolf Havenstein, to prevent mass unemployment by devaluing the currency to keep exports competitive, worked only for a time. In the end, says Fergusson, the music stopped. Lacking a reliable pricing mechanism and faced with huge strains, including the onset of the worldwide depression, the whole German economy stopped functioning at even the most basic level. The whole economy was reduced to barter. Rent was payed with butter and lumps of coal were bartered for something else. The only time an economy was reduced to barter in recent times (in the last 2 decades) was the situation in Argentina after a sharp devaluation. The Russian economy also faced a trying period in recent years with the collapse of communism and a collapse of the currency. And the Asian economies faced a difficult period during the 1997 Asian financial crisis. But nothing compares with what happened in Weimar Germany. The book was originally written for a British audience at a time of rapid inflation in the 1970's, and it reminded readers of the connection between the quantity of money in circulation and price stability. Financial crises play out in different ways in different periods, but it is a sobering warning for the need for prudence in financial affairs, avoiding excesses, the need for global cooperation and a measure of peaceful coexistence in world affairs that enables financial systems to work. With excesses in asset bubbles of the stock market or housing kind, bad loans in the financial system, overleveraging in the financial system, lack of reserves, or huge trade deficits, posing the new types of risks in today's environment. Bad loans in the financial system caused problems in Japan in the past and pose risks in China today, overleveraging caused problems in the US in 2008, lack of reserves in S. Korea in 1997, a collapse of the currency in Russia in the 1990's, and a sharp devaluation with a lack of reserves in Argentina. Too much money in the system, as in China today with the sharp increase in bank lending as part of the stimulus following the 2008 crisis, can distort the functioning of the financial system with excesses in real estate speculation and overproduction. The nature of the crises are different but all have a common factor of tolerance for excesses over a long period and a lack of prudence, exacerbated by international tensions and wars that weaken a country's finances. The twin wars in Iraq and Afghanistan are estimated to cost a trillion dollars each and this can only exacerbate the finances in the US, when coupled with other factors such as bad real estate loans in the financial system, and huge trade deficits....

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Amazon sales growth was 81% for AWS in the 2nd quarter 2015.

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Sony's strategies to return the smartphone business to profitability in 2015. Mr. Totoki, head of the smartphone division, says Sony will accept decline in sales of 20-30% to accomplish this. The smartphone division is seen as critical in the internet era. This means cutting the number of lowend models and scaling down operations in China, where sales are about 3% of the mobile division total. Sales are strong relatively in Europe, South east Asia, and Japan, which provide 34%, 27%, 23% respectively of total mobile division sales.

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Sony's Xperia Z smartphone as a competitor to Samsung Galaxy and Apple iPhone in 2013. Sony is now in third place in global smartphone sales with a 5% market share. Sony CEO Hirai says the basic building blocks are in place for Sony to secure the strong position in smartphone sales that its technology and assets deserve.

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Apple shares which made a steep rise of over 50% with the introduction of the iPad in 2011, reaching over $600 by March 2012, fell by about 9% between April 9 and April 16, 2012. Apple faces questions about the extent of new innovations it can bring compared to the pace of innovation under CEO Jobs. How long it can maintain the high profit margins on the iPad and the iPhone before they are gradually eroded. And whether a lot of the growth in future years has already been priced into the price of the stock already, with the steep ascent in price in 2011-2012.

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China is implementing president Xi Jinping's policy to reduce foreign influence in China's internet, and promote local tech suppliers. Restrictive policies went into effect for IBM, Cisco, Microsoft, Qualcomm, to reduce their influence in China's core tech industries. Apple remained an exception till April 2016 when Apple was asked to shut down Apple iBooks and iTunes services in China. China sees this as an effort to promote in Jinping's words local "high quality content with positive voices for a healthy, positive culture that is a force for good.," according to Xinhua news service. It also increases the role of Huawei, Alibaba, and Tencent in the internet in China.

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Sharp price reductions in cloud services of over 40% and upto 85% in 2014 are being offered by Amazon, Google and Microsoft. Amazon has $3 billion in sales in cloud services increasing by 85% in 2013 over the prior year, according to Bernstein Research. About 10% of corporate computing center services are handled by these companies. The sales in pay-as-you-go cloud computing services are estimated at $13.3 billion for 2014, an increase of 45% over 2013, according to Gartner Inc. A website with 50 million monthly page views costs about $1219 using a company's own servers, compared to $468 for Amazon EC2, $402 for Microsoft Azure (Linux), and $395 for Google Compute Engine, according to SADA Systems. Amazon also offers services for $390 with a 1 year contract for heavy usage.

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Fox News leads in total viewers in 2015 with an average of 1.8 million viewers in prime time. It also leads in the 25-54 year demographic. By comparison CNN had average of 490,000 viewers, MSNBC had average of 352,000 viewers. A major problem for cable news channels is an aging demographic. The median age for most channels is over 60 years, for CNN 61, for MSNBC 63 and Fox News even older at 67 years of age. In the the crucial 25-54 year old demographic FOx News does poorly with 207,000 total day viewers, CNN does badly with 149,000 and MSNBC at 89,000, posing some serious questions for all the cable news channels in the U.S. Among news shows "O'Reilly Factor" with 2.8 million viewers was first, followed by "The Kelly File" by Megyn Kelly. News stories about Pope Francis, terrorism in France and in the U.S., provided added momentum to news channels in 2015.

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Comment by Samsung executives that show Samsung was late in the game in adopting Android for smartphones. A decision was made to leapfrog ahead of competitors in 2011 by building on Samsung's strengths in executing.

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Cheng provides the basics of cloud computing and how best to use cloud services.

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Sony is trailing badly in the smartphone business in 2014-2015. Global market share is at about 3.1%. Sales in China have failed to gain with only 0.4% market share, as Xiaomi has made large gains in China in 2014, and with other low cost competitors such as Lenovo. Even in India once considered a promising market Sony smartphone sales market share is at about 3.2%. Market share is about 6.9% in Europe and 14.4% in Japan, according to Counterpoint Research. The mobile division is cutting staff by 2100 from current level of 7000, as mobile becomes Sony's only money losing unit. The head of the mobile division and CEO Hirai are now considering options including selling the unit or joining with third parties. Mr. Totoki, head of the mobile division, says Sony has learned through this experience that creating customer enthusiasm for products involves much more than simply putting together powerful parts.