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Predicting what topics will trend on Twitter

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Twitter's home page features a regularly updated list of topics that are "trending," meaning that tweets about them have suddenly exploded in volume. A position on the list is highly coveted as a source of free publicity, but the selection of topics is automatic, based on a proprietary algorithm that factors in both the number of tweets and recent increases in that number.

World's first stream aggregation technology to rapidly process both historical and incoming data

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Fujitsu Laboratories announced development of the world's first stream aggregation technology able to rapidly process both stored historical data and incoming streams of new data in a big data context.

Hedge funds manipulate stock prices, new research shows

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(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.

3Qs: Expert weighs in on how to play a bull market

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The Dow Jones industrial average reached a record high on Tuesday and continued rising throughout the week, erasing all of the losses suffered in the Great Recession of 2008–2009. But many investors have ignored the stunning surge in stocks, surprising money managers of prominent firms, one of whom noted that he doesn't understand why "people don't want to play." Northeastern University news office asked Paul Bolster, an expert in portfolio management and the Donald F. Harding Professor of Finance and Insurance, to explain how you should play the Dow's third strongest bull market since World War II.

Consumer confidence continues to improve in March

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Consumer confidence continued to improve in March due to more positive signs of expanding employment, according to University of Michigan economist Richard Curtin, director of the Thomson Reuters/University of Michigan Surveys of Consumers.

Consumer confidence withstands Boston bombing

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The overall level of consumer confidence declined in April from March, but was identical to last April's reading, according to University of Michigan economist Richard Curtin, director of the Thomson Reuters/University of Michigan Surveys of Consumers. The Surveys, conducted by the U-M Institute for Social Research (ISR) since 1946, monitor consumer attitudes and expectations.

Head of hacker-powered stock scam sent to prison

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A US man was sent to prison on Monday for orchestrating a hacker-powered scam to pump up stock prices and then dump inflated shares, raking in millions of dollars.

Companies in states with weaker economies provide investing opportunity, study finds

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Companies located in more economically-troubled states provide a greater opportunity for investors than companies in other states according to new research by the University of Miami School of Business Administration. The study reveals that investors in states with high unemployment and a relatively depressed housing sector tend to sell more stocks during these tough economic times, and because people invest disproportionately in companies close to home, the stock prices of firms in those states suffer disproportionately.

Social networks hot targets for hackers: McAfee

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McAfee Labs on Monday reported a surge early this year in malicious software aimed at stealing passwords at social networks such as Facebook and Twitter.

Facebook soaring stock closes above $38 IPO price

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Facebook's stock has closed above its IPO price for the first time since the online social networking leader made its debut on Wall Street more than 14 months ago.

Investors in US oil, gas companies have not ignored science behind unburnable carbon, study says

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Investors in U.S. oil and gas companies have not ignored the science when considering whether the potential carbon asset stock prices constitute a bubble—a concern raised in recent media reports, a new University of California, Davis, study suggests. The study found, instead, that investors' rational expectations for future cash flows are based on all possible scenarios, not just particular negative ones that crop up in the media.

Target says it ignored early signs of data breach

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Target Corp. is acknowledging its security software picked up on suspicious activity after a massive cyberattack was launched, but it decided not to take immediate action.

Herding in the stock market may inspire human-guided trading algorithms

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(Phys.org) —Humans have a strong tendency to belong to a group, an instinct that often manifests in herding behavior. Not limited to humans, herding exists throughout nature, for example in ant colonies, schools of fish, and flocks of birds. But what about the stock market?

Short sellers not to blame for 2008 financial crisis, study finds

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Contrary to widespread media reports, the collapse of several financial firms during the 2008 economic crisis was not triggered by unsettled stock trades, according to new research from the University at Buffalo School of Management.

Stock prices of companies that use the same underwriter tend to move together

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The stock prices of companies that use the same lead underwriter during their equity offerings tend to move together, according to a new study by financial economics experts at Rice University and the University of Alabama.

Stocks drop when no one asks questions during earnings calls, study shows

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Quarterly earning calls that receive zero questions or a very low number of questions during the question-and-answer session of the call lead to a significant decrease in stock price according to new research from the McCombs School of Business at The University of Texas at Austin.

Facebook closes WhatsApp purchase now worth $21.8B

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Facebook has completed its acquisition of the mobile messaging service WhatsApp for almost $22 billion, up from the original $19 billion when the cash-and-stock deal was struck early this year thanks in part to the rising price of Facebook shares.

Weather may influence institutional investors' stock decisions

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Weather changes may affect how institutional investors decide on stock plays, according to a new study by a team of finance researchers. Their findings suggest sunny skies put professional investors more in a mood to buy, while cloudy conditions tend to discourage stock purchases.

Twitter stock continues to slide

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Twitter's stock price continued a recent decline on Wednesday, closing down 3.5 percent after an analyst lowered the short messaging service's rating on concerns that its stock price is too high.

'Tackle volatility in oil prices' to bring global economic growth

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(Phys.org) —The volatility of oil prices is a 'fundamental barrier to stability and economic growth', according to a new study by the University of Oxford published in Frontiers in Energy.
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