Shares of Nvidia are climbing 4.77% to $18.76 in early trading on Tuesday, lifted by an upgrade from JMP Securities.
Red Hat beat Wall Street's fourth-quarter estimates, prompting analysts to highlight the software maker's growth potential. Weaker-than-expected guidance, however, weighs heavily on the stock during Friday trading.
Amazon has sent out invitations to an event in New York next Wednesday which is expected to mark the debut of the company's eagerly-anticipated streaming device.
Twitter is tapping the music charts in an attempt to woo more users, teaming with entertainment giant Billboard to track real-time data.
Twitter shares rise in premarket trading on Thursday, lifted by the company's announcement of expanded photo options and media reports that the micro-blogging site will launch a new music strategy.
King Digital Entertainment, maker of the Candy Crush Saga game, slumped dramatically during the firm's first day of trading as a public company.
King Digital Entertainment, maker of the popular Candy Crush Saga game, made its debut as a public company on Tuesday.
Cisco shares gained 2.09% to reach $22.02 on Tuesday as investors digested the networking giant's $1 billion cloud strategy.
Luxottica shares climbed 3.67% to $55.87 before market open on Tuesday following the announcement of the Ray-Ban maker's deal with Google to design and distribute eyewear for the company's Glass technology.
IBM has teamed up with the government of Ghana and Yale University as part of a technology-intensive project to eliminate mother-to-child transmission of HIV in the African nation.