Strong earnings from tech stalwarts Intel ( INTC) and Yahoo! ( YHOO) helped lift the sector Wednesday. Intel was rising 4.87%, after beating third-quarter expectations and guiding higher for its fourth-quarter revenue outlook. The chipmaker reported net income of $1.86 billion, or 31 cents a share, up from $1.3 billion, or 22 cents a share, in the year-ago period. Analysts polled by Thomson Financial expected earnings of 30 cents a share. In the fourth quarter, Intel sees revenue of between $10.5 billion and $11.1 billion, above the consensus of $10.4 billion. Shares were climbing $1.24 to $26.72. Intel's beat also boded well for chipmakers Nvidia ( NVDA), which was rising 7.68% to $39.54, and KLA-Tenecor ( KLAC), which was jumping 3.39% to $54.92. Yahoo! shares were advancing 7.98%, after its own earnings beat . The Internet search provider reported third-quarter net income of $151 million, or 11 cents a share, vs. $159 million, or 11 cents a share, in the year-ago period. Yahoo! said revenue grew to $1.77 billion, up from $1.58 billion in the same period of 2006. Excluding certain items, revenue rose to $1.28 billion, vs. $1.12 billion in the year-ago period. Analysts polled by Thomson Financial predicted earnings of 8 cents a share on revenue of $1.24 billion. For the fourth quarter, Yahoo! expects revenue of between $1.31 billion and $1.45 billion. Analysts expect revenue of $1.37 billion. Yahoo! shares were climbing $2.13 to $28.82.