A general class-action lawsuit accuses Yahoo of failing to act in the best interest of shareholders in rejecting Microsoft’s takeover bid.HTC announces the Touch Diamond Microsoft-based smartphone, which beats rival Apple’s iPhone to the punch with 3G capabilities.Intel, Samsung, and TSMC will collaborate on 450mm silicon wafers. Once the chip companies have made the move, users should start to see higher-performing chips at lower prices NBC strikes deal to sell television programs on Microsoft’s Zune online store after a pricing spat with Apple led it to pull its content from iTunes. Yahoo searches could turn up fewer hits because the company plans to use McAfee’s SiteAdvisor to filter out malicious Web sites that have been linked to spam, phishing, or malicious software. Technology Industry