The Dow Jones Industrial Average (NYSEARCA:DIA) is down 49 points, or .40%, to 12,368. The S&P 500 (NYSEARCA:SPY) is down 2 points, or .19%, to 1,274, and the Nasdaq (NASDAQ:QQQ) is down 6 points, or .26%, to 2,641. Here are stocks moving and shaking on Wall Street today:

Apple Inc. (NASDAQ:AAPL): UBS feeling confident with its Q4 Apple (NASDAQ:AAPL) iPhone unit estimate of 30M after Verizon (NYSE:VZ) surpassed UBS’ estimate of 4M iPhones in Q4, with 4.2M sold.

Texas Instruments Inc. (NYSE:TXN): JP Morgan names Texas Instruments (NYSE:TXN), Analog Devices (NYSE:ADI) and Xilinx (NASDAQ:XLNX) its top three picks in the Semiconductor space for 2012. The firm expects these companies to continue to improve through Q1.

SIRIUS XM Radio Inc. (NASDAQ:SIRI): More new cars on the road continued growth in the used car market means a subscriber upside for Sirius XM in Q4, says Lazard Capital. The firm upped its subscriber add estimate from 1.28M to 1.43M, maintaining a “buy” rating with a $2.25 price target.

Broadcom Corp. (NASDAQ:BRCM): Argus believes Broadcom shares are undervalued and that the semiconductor company can benefit from diversifying its offerings. The firm has faith in Broadcom’s strength when it comes to sales of applications processors for smartphones, hence keeping its “buy” rating.

VMware, Inc. (NYSE:VMW): Susquehanna says VMware shares seem oversold. The firm feels the recent weakness in VMware has opened up an attractive entry point. The firm cited valuation, its Q4 deal activity, and positive Q1 pipeline. Shares have a “positive” rating with a $115 price target.

Satcon Technology Corporation (NASDAQ:SATC): Cantor Fitzgerald lowers its target to $3 for Satcon after the company announces an inventory writedown, but still expects Satcon to turn a profit in 2012, mainting a “buy” rating. Cantor believes Satcon shares will attract the value-oriented investor.

To contact the reporter on this story: Lindsey Grossman at staff.writers@wallstcheatsheet.com

To contact the editor responsible for this story: Damien Hoffman at editors@wallstcheatsheet.com

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