Common Sense: Amazon’s Shrinking Profit Sets Off a Seismic Shock to Its Shares

For a second quarter in a row, the Internet retailer’s stock fell sharply after its earnings report, suggesting that investors may be growing wary.



Strategies: A Netflix Scoreboard: 3 Emmys, a Golden Globe and a Soaring Stock

The video subscription service was the S.&P. 500’s biggest winner last year, but some analysts worry about the stock’s dizzying climb.

    



Strong Finish to 2013 for Netflix as Profit and Subscriptions Soar

The company predicted continued growth through the first quarter of this year.

    



The Media Equation: Using Twitter to Move the Markets

Over the course of three Twitter posts about Apple from the activist investor Carl C. Icahn, the company’s market capitalization rose about $17 billion.

    



Latest Overhaul of the MGM Studio Appears to Be a Moneymaker

After emerging from bankruptcy and cutting costs, the venerable studio is generating cash and has a number of movies and TV shows in the works.

    



Google Results Show Struggle With Mobile

The second-quarter income announcement showed the desktop search business continued to slow, while ad prices fell.

    

Common Sense: As Hollywood Leans on Blockbusters, the Flop Looms

Hollywood, increasingly reliant on big-budget spectacles that make hundreds of millions of dollars, may be headed over a blockbuster cliff.

    

Alan Abelson, Barron’s Columnist and Editor, Dies at 87

Mr. Abelson was an editor and a columnist at Barron’s magazine who delivered sharp and influential commentary on the stock markets.

    

Social Media’s Effects On Markets Concern Regulators

After a Twitter hoax caused the Dow to drop temporarily by 150 points, regulators are increasingly concerned about the combination of social media and high-frequency trading.