Voices

NYSE and Nasdaq Plan to Back Up One Another’s Data Streams

The committees that control consolidated data feeds for Nasdaq OMX Group and NYSE Euronext are close to an agreement on a plan to back up one another’s streams, according to people familiar with the matter.

News Byte

AMD Deleted From Standard & Poor’s 500 Index

Shares of chipmaker Advanced Micro Devices will be taken off the Standard & Poor’s 500 Index beginning Sept. 20. The move was disclosed by S&P Dow Jones Indices. The change comes a day after Hewlett-Packard was taken off the list of 30 stocks that comprise the Dow Jones Industrial Average. AMD will be moved to the S&P MidCap 400.

After Months of Hacks, Twitter Launches Heightened Security Features

A new form of identity verification could help deter account hackers.
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One Year After IPO, Facebook’s Biggest Bets Could Take a Long Time to Pay Off

The products that could do well for Facebook’s bottom line still have a long way to go. Will Wall Street stay patient?
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Voices

Day Traders Steer Tesla Higher

For weeks, Anne-Marie Baiynd kept a close eye on shares of Tesla Motors Inc. On May 9, a day after the company posted its first-ever quarterly profit, the stock exploded higher in heavy trading. Ms. Baiynd, a full-time short-term trader since 2006, pounced.

U.S. Stocks Tank Briefly in Wake of Associated Press Twitter Account Hack

A sharp reaction to an errant, disturbing tweet.
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Apple’s and Google’s Stock Prices Are Mirror Images

While Apple’s stock declines, Google’s stock keeps zooming the other way.
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Nasdaq Talks Settlement in Facebook IPO

Nasdaq OMX Group Inc. is in preliminary talks with U.S. securities regulators over a potential settlement related to its botched handling of last year’s Facebook Inc. stock-market debut, according to people with knowledge of the discussions.

Groupon’s Shares Continue Falling to Close at All-Time Low

Shares are now half-off, but no one seems to be buying.
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Voices

Apple’s Size Clouds Market

In analyzing U.S. corporate earnings and stock-market trends, apples-to-apples comparisons may now require tossing out the Apple.