Company: ALCOA Inc

Rio Tinto, the world's No.2 producer of iron ore, sees no signs of a slowdown in demand from top consumer China and still plans to almost double its output of the steel-making ingredient by 2016.

NEW YORK (Reuters) - Stocks were set to fall on Monday, tracking global equity markets lower as a political impasse in Greece heightened concerns about Europe's debt crisis and fears mounted about an economic slowdown in China.

NEW YORK (Reuters) - Stock index futures fell sharply on Monday, tracking global equity markets lower as a political impasse in Greece heightened concerns about Europe's debt crisis and fears mounted about an economic slowdown in China.

NEW YORK (Reuters) - Stock index futures fell sharply on Monday, tracking global equity markets lower as a political impasse in Greece heightened concerns about Europe's debt crisis and fears mounted about an economic slowdown in China.

NEW YORK (Reuters) - Stock index futures fell sharply on Monday, tracking global equity markets lower as a political impasse in Greece heightened concerns about Europe's debt crisis and fears mounted about an economic slowdown in China.

The "like" button on Facebook seems like a relatively clear way to express your support for something, but a federal judge says that doesn't mean clicking it is constitutionally protected speech.

Stocks recovered from an early decline to end narrowly mixed Wednesday, but worries over the weak ADP employment report kept investors on edge ahead of Friday's key jobs data.

A look at New York Stock Exchange 10 most-active stocks at 1 p.m.:

Stocks pared their gains in the final hour of trading but still kicked off the first day of May on a positive note, with the Dow hitting its best closing high since December 2007, fueled by a better-than-expected manufacturing report.

CME Group will extend trading hours for its hallmark grain contracts, two sources close to the matter said on Monday, as the Chicago exchange moves to defend its turf against rival ICE's  bid for nearly round-the-clock transactions.

Concerned about Wal-Mart’s reported cover-up of bribery in its Mexico operations, leaders of New York City’s pension funds said Monday they would vote their 4.7 million company shares against five directors standing for re-election to the retailer’s board at its annual shareholder meeting next month, the New York Times reports.

The $24 million in illicit payments Wal-Mart has been accused of making in Mexico amount to roughly two hours’ revenue. But the allegations could become a huge issue for the world's largest retailer.

Stocks trimmed their losses but still ended in the red Monday, with the S&P 500 down almost 4 percent from its 2012 highs, weighed by political and economic worries in the euro zone.

Stocks ended near session highs Tuesday, with all three major averages logging their best rally in a month, helped by a handful of positive earnings reports and as fears over Europe diminished.

It was a news-filled week for the markets and the business world in general; major deals, wild gyrations, price slides and some major worries. But some fun things happened, too. Click ahead to see what we believe are the more significant business events of the past week.