2. National Semiconductor ( NSM) Company Profile: National Semiconductor designs and manufactures a range of semiconductor products, most of which are analog and mixed-signal integrated circuits. 2011 Total Return: 81.5% Current Share Price: $24.80 (Aug. 25) While many technology stocks have languished this year, National Semi has bucked the trend to be the second-best performer among all stocks in the S&P 500. The strong performance has little to do with how well National Semi is performing operationally. In April, Texas Instruments announced a deal to acquire the company for $25 a share in an all-cash transaction of about $6.5 billion. For that reason, most analysts who still cover National Semi rate the stock "hold" with an average price target of $25. The deal is expected to close sometime later this year, according to the companies.