Seeking Value In Yahoo

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If you ask Wall Street, Yahoo Inc. is virtually worthless. But as the ailing web portal puts itself up for sale, at least seven major companies are vying to buy it, possibly for as much as $4 billion. Why? Deep in its garage-sale pile of unprofitable investments and slow-growth content properties, Yahoo has a hidden gem: it’s industry-leading advertising technology. The collection of the software and services Yahoo…