Stock market network reveals investor clustering
Fed says some tech firms overvalued
The Federal Reserve on Tuesday warned that some high-flying technology firms may be overvalued, but rejected the idea of a stock market bubble.
Chaos-on-a-chip model shows market bubbles may be predictable, controllable
(Phys.org) —It's an idea financial regulators have dreamed of. Experiments on a simple model of chaos have found that it may be possible not only to predict an extreme event, like a stock market collapse, ...
Statistical analysis could predict bankrupt stocks
Spain's Gowex wifi scandal bruises small firms
Startling revelations of at least four years of false accounting by Spanish free wifi provider Let's Gowex threatened Monday to inflict broad damage on the reputation of small and medium-sized firms seeki ...
Twitter set to make a splash on Wall Street
Wall Street is aflutter over Twitter, set to make the most anticipated stock market debut since Facebook in a huge test for social media and the technology sector.
The reason we lose at games
If you have ever wondered why you never seem to win at skill-based games such as poker or chess, there might be a very good reason. Writing in PNAS, a University of Manchester physicist has discovered that some games are si ...
Wikipedia's early stock market warning signs
(Phys.org) —Wikipedia could have been used as early warning signs of stock market movements, according to a new study. Researchers led by Dr Suzy Moat, Senior Research Fellow at Warwick Business School, ...
Twitter making tweets more 'visual' with overhaul
Twitter said Tuesday it overhauled its user display to make the messaging service "more visual," as it ramps up competition against photo-sharing services like Instagram.
Twitter sets IPO price at $26, will raise $1.8B
Twitter has set a price of $26 per share for its initial public offering, which means the company's stock can begin trading Thursday on the New York Stock Exchange in the most highly anticipated IPO since ...
For pundits, it's better to be confident than correct: Twitter analysis shows how 'yelling' attracts followers
It would be nice to think the pundits we see yelling on TV and squawking on Twitter are right all the time. It turns out they're wrong more often than they are right. Now two Washington State University economics ...
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 ...
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.
Control theorist Barmish challenges need to model financial markets
(Phys.org) —B. Ross Barmish hopes his research will build a bridge between control theorists and financial scholars.