MERGERS & ACQUISITIONS

Yahoo Buys Part of Chinese E-Commerce Firm

Yahoo is paying $1 billion in cash for a 40 percent stake in China's biggest online commerce firm, Alibaba.com.

Alibaba runs a Web site that matches foreign buyers with Chinese wholesale suppliers. It also runs the popular consumer-auction site Taobao.com, which competes with the Chinese subsidiary run by eBay.

Yahoo said it will merge its China subsidiaries into Alibaba as part of the deal.

Qualcomm Agrees to Acquire Flarion

Qualcomm agreed to buy Flarion Technologies for as much as $805 million to increase sales of modems and chips for high-speed wireless networks. The purchase terms include $600 million in cash at closing and as much as $205 million in cash and stock over the next few years, the San Diego makers of semiconductors and cell phones said.

ValueClick to Buy Fastclick for $214 Million

ValueClick, an online advertising agency, agreed to buy Fastclick for $214 million in stock to create the largest online advertising-network company. Fastclick shareholders will receive about eight-tenths of a share of ValueClick for every Fastclick share they hold, the companies said. The exchange values Fastclick shares at $10.11 each, which is 14 percent higher than Wednesday's closing price of $8.85.

LITIGATION

Amazon.com Settles Patent Lawsuit

Amazon.com said it paid $40 million to Soverain Software to settle a patent-infringement lawsuit. Soverain, a small Chicago-based company, had alleged that Amazon's Web site infringed on several Soverain patents for network sales systems and Internet-server access control and monitoring systems.

EARNINGS

Dell's Second-Quarter Profit Rises 28%

Dell's fiscal second-quarter profit rose 28 percent to a record $1.02 billion, driven by increased shipments during a period of tough price competition among rivals. Revenue for the three months ended July 31 increased 15 percent, to $13.43 billion.

Compiled from staff and news service reports.

Alibaba chief Ma Yun, left, talks with Yahoo COO Daniel L. Rosensweig.