Europe's on-again, off-again progress in tackling its debt problems has kept U.S. investors on edge for the better part of two-and-a-half years. It seems like this ride should be over by now, but it isn't. Risks continue to grow.

Stocks rose, giving the Standard & Poor’s 500 Index its first back-to-back weekly rally since April, on speculation central banks will act to boost the economy as investors awaited Greek elections this weekend.

As Facebook's much-anticipated public stock offering approached, federal regulators wanted to know more about the revenue it gets from mobile devices, its $1 billion deal to buy Instagram and the control CEO Mark Zuckerberg has over the company.

Mexico announced Friday that it is cancelling provisional permits for an enormous, Cancun-sized resort planned for the Baja California shoreline in front of a protected coral reef, a project that environmentalists said threatened an area that is a model for environmental recovery.

June 15 (Bloomberg) -- Facebook Inc. asked a court to consolidate more than 40 shareholder lawsuits over the social networking company’s initial public offering last month.

Expectations that the central banks of countries around the world stand ready to head off a deeper European debt crisis helped push U.S. stocks higher on Friday.

The organization in charge of introducing new Internet addresses to rival “.com” briefly suspended access to some of the documents on its website after it discovered a privacy breach.

Risking an election-year backlash from Republicans, the Obama administration is proposing new air quality standards to lower the amount of soot that can be released into the air.

June 15 (Bloomberg) -- Distressed debt funds are buying Greek mortgage bonds after yields soared to a record, wagering the securities will rebound if Greece stays in the euro and with some priced so low they can still be profitable with an exit.

The controversial practice of hydraulic fracturing to extract natural gas does not pose a high risk for triggering earthquakes large enough to feel, but other types of energy-related drilling can make the ground noticeably shake, a major government science report concludes.

Greeks go to the polls once more in a repeat general election whose outcome could determine whether the country remains within Europe's joint currency.

June 15 (Bloomberg) -- Microsoft Corp. will announce plans to sell a tablet running the next version of the Windows operating system under its own brand, a major departure from its strategy of partnering with computer makers, according to a person familiar with the plans.

June 15 (Bloomberg) -- When Hal Dvorak, a Harvard scientist whose ideas helped spur the advance of targeted cancer drugs, sought a partner recently to help him develop new treatments, he only had to walk two blocks to find one.

Facebook's stock closed with a gain for the week for the first time since its initial public offering a month ago.

Burger King is setting its sights on China.

There's a form of extra-sensory perception called psychometry, whose practitioners claim to learn things about objects by touching them. Smartphones set to be released this month by Samsung and Sony will have some of that ability: they'll learn things when you touch them to pre-programmed “tags.”

Facebook is suggesting that trading problems at the Nasdaq Stock Market contributed to a sharp drop in the company's stock price after its initial public offering.

June 15 (Bloomberg) -- Facebook Inc. Chief Technology Officer Bret Taylor said he plans to leave the world’s largest social-networking service to help start another company.

June 15 (Bloomberg) -- Treasuries rose, set for a weekly gain, amid concern Greeks will elect a government hostile to the terms of its bailout and before U.S. reports that may show production slowed and consumer confidence fell.

The level of Spain's debt rose in the first three months of the year, according to figures from the country's central bank released Friday.

June 15 (Bloomberg) -- Wheat will outperform corn in the second half, the opposite from the previous forecast, Standard Chartered Plc said.

June 15 (Bloomberg) -- Copper rose for a third day in New York, on course for the first weekly gain in seven weeks, on speculation central-bank actions aimed at stoking economies will bolster demand.

Oil prices could rise about $25 from their present levels to $110 a barrel without threatening the world economy, OPEC Secretary General Abdullah Al-Badry said Friday.

June 15 (Bloomberg) -- U.S. stock futures rose, indicating the Standard & Poor’s 500 Index will complete a second straight weekly advance, on speculation central banks will act to boost economies as Europe’s debt crisis threatens growth.

June 15 (Bloomberg) -- Payrolls increased in 27 states in May, while the unemployment rate climbed in 18, indicating progress in the U.S. labor market remains uneven.

Moody's ratings agency on Friday downgraded Nokia's debt grade to junk status, citing greater than anticipated pressure on the struggling cellphone maker's earnings after it announced plans for major cuts and global layoffs. It kept the outlook negative, meaning it could downgrade it again.

The CEO of Mead Johnson plans to retire before next year's annual shareholder meeting, the company said Friday.

Shares of GameStop Corp. fell to their lowest level in nearly two-and-half years on Friday after an industry report showed a sharp decline in video game sales last month.

June 15 (Bloomberg) -- The U.S. Federal Communications Commission plans to ask whether its standards protect people from mobile-phone radiation, a question it hasn’t posed in 15 years, as people use smartphones for longer, more frequent calls.

Motorola Solutions Inc., which sells communications equipment to government and corporate customers, said Friday that it is buying Psion PLC for about 129 million pounds ($200 million) in cash.

June 15 (Bloomberg) -- Industrial production unexpectedly fell and consumer confidence slid, adding to evidence of U.S. economic weakness days before Federal Reserve policy makers meet to decide whether more stimulus is needed.

Residential Capital is objecting to Warren Buffett's offer to buy its mortgage division and loan portfolio, but a bankruptcy judge will have the final say.

A former Goldman Sachs director accused of feeding confidential information to a corrupt hedge fund manager has been convicted of conspiracy and three counts of securities fraud.

A California-based solar panel manufacturer that received a half-billion dollar loan from the federal government before filing for bankruptcy protection is close to filing a proposal for what to do next.

June 15 (Bloomberg) -- Argentines are turning to cars as a hedge against inflation after a government clampdown on dollar purchases scuttled their plans to buy real estate, which is bought and sold in the U.S. currency.

June 15 (Bloomberg) -- U.K. exports fell in April and construction slumped, highlighting the economy’s weakness as Bank of England Governor Mervyn King warns that the outlook is deteriorating rapidly.

June 15 (Bloomberg) -- Joe Nathan, the All-Star relief pitcher and only Stony Brook Seawolf to play in the major leagues, says his alma mater’s sudden baseball success has taken at least a dozen years.

The University of Connecticut is getting a big assist from a Broadway star as it works to establish itself as a summer destination for high-quality theater.

Volunteers slowly rebuilding a new mosque from the wreckage of its 950-year-old predecessor in Bahrain have two tasks: One group works while others watch for a return of security forces who drove bulldozers through its walls last year.

When President Barack Obama came to New York City this week, his first stop was at that tall building under construction at the corner of West and Vesey streets.

June 15 (Bloomberg) -- Yale University agreed to settle a government investigation stemming from a complaint that it allowed an atmosphere hostile to women, pledging to improve resources to prevent sexual harassment and violence on campus.