Hedge funds manipulate stock prices, new research shows
(Phys.org)—Some hedge funds manipulate stock prices at the end of the month to improve the returns that they report to their investors, a new study suggests.
Photovoltaics beat biofuels at converting sun's energy to miles driven
In 2005, President George W. Bush and American corn farmers saw corn ethanol as a promising fossil fuel substitute that would reduce both American dependence on foreign oil and greenhouse gas emissions. Accordingly, the 2005 ...
High-frequency trading tactic lowers investor profits
High-frequency trading strategies that exploit today's fragmented equity markets reduce investor profits overall, according to new findings by University of Michigan engineering researchers. The study is believed to be the ...
Study finds evidence that stock prices can be predicted within a short window of time
A new study from the University of Iowa shows evidence that stock price movements are, in fact, predictable during short windows.
Herding in the stock market may inspire human-guided trading algorithms
Exxon passes Apple as most valuable company (Update)
Exxon has once again surpassed Apple as the world's most valuable company after the iPhone and iPad maker saw its stock price falter.
Apple stock hits latest 52-week low
Shares of Apple hit their lowest level in more than a year on Monday, continuing a decline hastened by the company's last quarterly earnings report.
Leading 3-D printer firms to merge in $403M deal (Update)
Stratasys, a leading maker of 3-D printers, is buying another 3-D printer manufacturer, MakerBot, for $403 million in stock.
Research In Motion shares climb (Update)
Shares of Research in Motion Ltd. Jumped nearly 14 percent Friday as investors seemingly grew more optimistic about a February launch of the Canadian company's much-delayed BlackBerry 10 smartphones.
Spurious switching points in traded stock dynamics
Physicists have rebuffed the existence of power laws governing the dynamics of traded stock volatility, volume and intertrade times at times of stock price extrema. They did this by demonstrating that what appeared as "switching ...
Facebook hits new low as IPO lock-up ends (Update 3)
(AP) Facebook's stock plunged to a new low Thursday as some of the social networking leader's early backers got their first chance to sell their shares since the company's initial public offering went ...
Free market is best way to combat climate change, study suggests
The best way to reduce carbon emissions and combat climate change is through the use of market forces, according to a new study.
Apple's next big thing may be lower-priced iPhone (Update)
Apple's much-anticipated update to its line-up of iPhones may leave the impression that the technology pioneer's focus has shifted to making more affordable products than engineering innovative breakthroughs.
Humbled Netflix CEO still thinking, talking big
(AP) -- To hear Netflix CEO Reed Hastings tell it, the bone-headed decisions that have dragged down the Internet's leading video subscription service during the past five months eventually will be forgotten like a bad movie ...