Today in Tech: Yahoo’s Marissa Mayer spurs 18-month stock high by JP Mangalindan @FortuneMagazine November 20, 2012, 11:23 AM EDT E-mail Tweet Facebook Google Plus Linkedin Share icons Also: Why Intel’s outgoing CEO won’t be remembered for mobile; tablet options causing shopping confusion. Yahoo shares reach 18-month high as investors warm to new CEO [REUTERS] “Money managers are staring to want to own this name again,” said Colin Gillis, an analyst with BGC Partners. “For the amount of traffic they have, and the assets they have, they should be able to squeeze some value out of that,” Gillis said, referring to Yahoo. With Mayer at the helm, he said, Yahoo has “finally got somebody who the market believes can do that.” Intel’s Otellini won’t be remembered for mobile [FORTUNE] Even if the departure is amicable, Otellini is leaving Intel at a rough period of transition. While the world’s largest chipmaker still rules the PC industry, it has stumbled in the smartphone and tablet markets and could soon face competition in the server space from rival ARM-based chips. Otellini is well aware of the challenges ahead for Intel. Which tablet to buy among dozens confuses shoppers [THE NEW YORK TIMES] For the companies that make tablets, the choice means everything. The stakes are much higher than the sale of individual devices. Each company is trying to snag lifelong customers for their other products — like music, apps, e-books, movies, Web search or word-processing software. Chris Dixon is not only joining Andreessen Horowitz; he’s leaving New York [PANDODAILY] Dixon, personally, will still be spending a good deal of time in New York, and hopes to live there again one day. He emphasizes that he’s keeping his apartment in New York and will be back and forth a lot. That said, he also says that he knew he wanted to focus the next phase of his career on investing, not starting another company. And he’s long admired Andreessen Horowitz’s model of investing. “I’d be nuts not to take this job,” he says. Internal videos show why the Microsoft Kin cratered [WIRED] These internal Microsoft videos, provided to Wired by a person who worked on the project, show focus groups testing the ill-fated Kin. According to our source, these are pre-production models that changed very little from the shipping product, although “performance improved some prior to shipping.” Watch them, and you can readily see why the project tanked: Kin phones just weren’t usable. Or, as our source described them, they were a “pile of shit.” Don’t miss the latest tech news. Sign up now to get Today in Tech emailed every morning.