By Gabriel Madway

Patent holding company Klausner Technologies Inc. on Monday said it's suing Motorola Inc. and the maker of BlackBerry smartphones for allegedly violating its patent for visual voicemail.

Hewlett-Packard Co. is scheduled to report its fiscal fourth-quarter earnings on Monday after the market closes. Below is a summary of key developments and analyst commentary related to the period.

Shares of network security provider Fortinet Inc soared Wednesday in their debut on the Nasdaq, in what is on track to be among the strongest debuts of any initial public offering in 2009.

Cisco Systems has seen its US business recover more quickly than anticipated, and Chairman and CEO John Chambers said he thinks the global economy has reached the first stage of its recovery.

The Dow pared its gains in the final hour of trading after banking analyst Meredith Whitney said the recent market rally is not rooted in fundamentals and the U.S. economy is likely to fall back into a recession next year.

Stocks opened higher Monday, building on two weeks of gains, as a weak dollar boosted commodity stocks and a government report showed retail sales rose in October.

Stocks opened higher Monday, building on two weeks of gains, as a weak dollar boosted commodity stocks and a government report showed retail sales rose in October.

Stock index futures are pointing to a higher open Monday after data showed that Japan's economy grew nearly twice as much as expected in the third quarter.

U.S. network equipment maker Cisco raised its bid for Norwegian video conferencing equipment maker Tandberg and said it was backed by holders of more than 40 percent of its shares after few warmed to its previous offer.

By Wojciech Moskwa and Ritsuko Ando

Despite recent advances, the U.S. lags far behind other major countries when it comes to clean energy investment and experts say it may never compete on equal terms, let alone lead.

The National Hockey League had its most profitable year in 2008-2009 and team values rose $3 million to an average of $223 million despite a recession that curbed fan and sponsor spending, Forbes magazine said.

Hewlett-Packard Co is making a move into the network equipment market by striking a $3.1 billion deal for 3Com Corp, in a major challenge to Cisco Systems Inc.

By Ritsuko Ando and Gabriel Madway