Consumer/Business Integration
With Lync and Windows Live Messenger, Microsoft already has a set of video and voice based calling services for both the enterprise and consumer segments. However, neither of these are as fully polished as Skype, which is its own entity and brand. Skype will definitely not replace these entities, but look for Microsoft will likely be integrate it with them and make them stronger. Reuters

The companies whose shares are moving in pre-market trade on Tuesday are: National Semiconductor, Nvidia, Advanced Micro Devices, Microsoft, Analog Devices, Texas Instruments, H & R Block and Pultegroup.

National Semiconductor Corp. (NYSE:NSM) shares climbed 72 percent to $24.20 in pre-market trading session after Texas Instruments (NYSE:TXN) said Monday it agreed to buy NSM for $6.5 billion, or $25 per share, a deal that combines two industry leaders in analog semiconductors, each with unique strengths in delivering products to improve performance and efficiency and convert real-world signals in electronic systems.

Analog Devices Inc. (NYSE:ADI) shares advanced 2.08 percent to $39.30 in pre-market trading session. The company stock was upgraded to “hold” rating from “sell” rating at Auriga.

Nvidia Corp. (NASDAQ:NVDA) shares gained 1.94 percent to $17.89 in pre-market trading session. The company announced that it has named Bob Worrall, a longtime Sun Microsystems executive, as its Chief Information Officer (CIO).

Advanced Micro Devices Inc. (NYSE:AMD) shares advanced 1.85 percent to $8.25 in pre-market trading session. The stock has a 52 week low of $5.53 and 52 week high of $10.24 and has $2.17 billion market capitalization.

Microsoft Corp. (NASDAQ:MSFT) shares advanced 1.25 percent to $25.87 in pre-market trading session. The weighting of MSFT will rise from 3.4 percent to 8.3 percent in Nasdaq-100 Index on May 2.

Texas Instruments Inc. (NYSE:TXN) shares declined 2.73 percent to $33.18 in pre-market trading session after the company said it agreed to buy National Semiconductor Corp. for $6.5 billion, or $25 per share, a deal that combines two industry leaders in analog semiconductors, each with unique strengths in delivering products to improve performance and efficiency and convert real-world signals in electronic systems.

H & R Block Inc. (NYSE:HRB) shares declined 2.21 percent to $17.28 in pre-market trading session. The company stock was downgraded to “hold” rating from “buy” rating at Standpoint Research.

Pultegroup Inc. (NYSE:PHM) shares declined 1.09 percent to $7.25 in pre-market trading session. The stock has a 52 week low of $6.13 and 52 week high of $13.91 and has $2.80 billion market capitalization.

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