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Shares of National Semicondutor were up today more than 14% to 29.58$ with more than 30 millions traded after company said on Thrusday that fourth-quarter sales fell 20 percent to $455.9 million. However, gross profit margin expanded to 62.5 percent from 59.8 percent in the third quarter, and the company forecast margins would continue improving. Looking at the daily chart stock breakout an important resistance a 28$ followed by strong volume, so the way is now UP !!!

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