Voices

App Makers in China Struggle on Home Turf

China has become one of the biggest sources of games for mobile devices like the iPhone and social-networking sites like Facebook. But software developers here are finding it difficult to make profits in their home market.

A Service to Make 401(k) Tweaking a Piece of Cake

Cake Premium may be a helpful tool in confusing times. But its limitations make it an incomplete solution that’s no threat to a really good, honest investment adviser, writes Walt Mossberg.
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Voices

Amazon: Now One-Third of All U.S. E-Commerce

One online retailer to rule them all. Amazon.com could be responsible for close to a third of all U.S. e-commerce transactions, RBC Capital analyst Stephen Ju asserted in a research note this morning. Ju notes that Amazon’s reported revenues consist of a mix of gross revenues from its own businesses plus net third-party commissions.