5 Technology Stocks with Big Declines Mid-Day: XLNX, STX, MELI, QSII, ADTN

Although Technology (NYSE:XLK) stocks are up almost 1%, through the early part of trading 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.

Xilinx, Inc. (NASDAQ:XLNX) is among the price losers in the sector. Its shares are trading at $31.25, which is 32 cents (-1%) below the previous close of $31.55. Xilinx, Inc. designs, develops and markets programmable platforms and predefined system functions delivered as intellectual property cores.

Stock Price Performance: From July 19, 2011, to September 14, 2011, the stock price had fallen $1.93 (-5.8%) from $33.48 to $31.55. 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).

Seagate Technology (NASDAQ:STX) stocks are trading at $11.78. This is 10 cents (-1%) below the previous close of $11.90, making the company one of the biggest price losers in the sector today. Seagate Technology PLC is a provider of hard disk drives. It designs, manufactures, markets and sells hard disk drives. It produces a range of disk drive products addressing enterprise applications.

Stock Price Performance: From July 18, 2011, to September 13, 2011, the stock price had fallen $4.90 (-30.1%) from $16.30 to $11.40. The stock price saw one of its best stretches over the last year between April 11, 2011 and April 20, 2011 when shares rose for eight straight trading days, rising 15.7% (+$2.42). It saw one of its worst periods between July 26, 2011 and August 8, 2011 when shares fell for 10 straight trading days, falling 25.3% (-$3.69).

MercadoLibre, Inc. (NASDAQ:MELI) is among the price losers in the sector. Its shares are trading at $68.07, which is 54 cents (-0.9%) below the previous close of $68.71. Mercadolibre, Inc. is an online commerce platform in Latin America, called MercadoLibre.

Stock Price Performance: From July 19, 2011, to September 14, 2011, the stock price had fallen $9.75 (-12.4%) from $78.46 to $68.71. The stock price saw one of its best stretches over the last year between March 18, 2011 and April 5, 2011 when shares rose for 13 straight trading days, rising 31.9% (+$20.67). It saw one of its worst periods between July 28, 2011 and August 8, 2011 when shares fell for eight straight trading days, falling 26.6% (-$21.15).

Quality Systems, Inc. (NASDAQ:QSII) is among the price losers in the sector as its stock price is $94.49, down $1.09 (-1%) from the previous close of $95.49. Quality Systems, Inc. develops and markets healthcare information systems that automate certain aspects of medical and dental practices, networks of practices, ambulatory care centers, community health centers and medical and dental schools.

Stock Price Performance: From June 20, 2011, to September 14, 2011, the stock price had risen $15.84 (19.9%) from $79.65 to $95.49. The stock price saw one of its best stretches over the last year between March 16, 2011 and April 5, 2011 when shares rose for 15 straight trading days, rising 11.7% (+$9.18). It saw one of its worst periods between July 8, 2011 and July 18, 2011 when shares fell for seven straight trading days, falling 6.5% (-$5.91).

ADTRAN, Inc. (NASDAQ:ADTN) is one of the sector losers in price. Its shares are trading at $28.52, down 23 cents (-10.8%) from the previous close of $31.99. Adtran,Inc designs, manufactures, markets and services network access solutions for communications networks.

Stock Price Performance: From June 20, 2011, to September 14, 2011, the stock price had fallen $5.32 (-14.3%) from $37.31 to $31.99. The stock price saw one of its best stretches over the last year between November 29, 2010 and December 10, 2010 when shares rose for 10 straight trading days, rising 11.4% (+$3.52). It saw one of its worst periods between July 7, 2011 and July 14, 2011 when shares fell for six straight trading days, falling 17.2% (-$7.28).