Tech Stocks Falling on Wall Street This Afternoon

Through most of the trading day on Wednesday, September 7, 2011, these stocks are bringing down the Technology (NYSE:XLK) sector. Long time Wall St. Cheat Sheet readers know to watch stock prices because Technicals on the Stock Chart are Strong’ is one of the ‘T’s in our CHEAT SHEET investing framework.

Altera Corporation (NASDAQ:ALTR) is among the price losers in the sector. Its shares are trading at $34.80, which is 2 cents (-0.2%) below the previous close of $34.86. Altera Corp. designs and manufactures programmable logic devices, HardCopy ASIC devices, pre-defined design building blocks, cores and associated development tools.

Stock Price Performance: From July 8, 2011, to September 2, 2011, the stock price had fallen $11.99 (-25.7%) from $46.74 to $34.75. The stock price saw one of its best stretches over the last year between November 16, 2010 and November 24, 2010 when shares rose for seven straight trading days, rising 11.9% (+$3.80). It saw one of its worst periods between July 7, 2011 and July 14, 2011 when shares fell for six straight trading days, falling 11.5% (-$5.52).

Xilinx, Inc. (NASDAQ:XLNX) is one of the sector losers in price. Its shares are trading at $30.11, down 26 cents (-0.9%) from the previous close of $30.37. Xilinx, Inc. designs, develops and markets programmable platforms and predefined system functions delivered as intellectual property cores.

Stock Price Performance: From July 8, 2011, to September 2, 2011, the stock price had fallen $6.21 (-17.2%) from $36.01 to $29.80. The stock price saw one of its best stretches over the last year between October 26, 2010 and November 4, 2010 when shares rose for eight straight trading days, rising 10.1% (+$2.49). It saw one of its worst periods between July 7, 2011 and July 18, 2011 when shares fell for eight straight trading days, falling 10.3% (-$3.80).

National Semiconductor Corporation (NYSE:NSM) is among the price losers in the sector as its stock price is $24.88, down 2 cents (-0.1%) from the previous close of $24.90. National Semiconductor Corporation designs and manufactures a range of semiconductor products, most of which are analog and mixed-signal integrated circuits.

Stock Price Performance: From August 8, 2011, to September 6, 2011, the stock price had risen 36 cents (1.5%) from $24.54 to $24.90. It saw one of its worst periods between March 3, 2011 and March 10, 2011 when shares fell for six straight trading days, falling 8.9% (-$1.38). The stock price saw one of its best stretches over the last year between April 19, 2011 and April 27, 2011 when shares rose for six straight trading days, rising 0.8% (+19 cents).