Technology Stocks That Sold Off Hard

These stocks are dragging down the Technology (NYSE:XLK) sector today. 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.

Shares of Computer Sciences Corporation (NYSE:CSC) are trading at $28.24, down $3.73 (-11.7%) from a previous close of $31.97. Computer Sciences Corporation offers information technology and professional services to commercial and government markets, specializing in the application of complex IT problems.

Stock Price Performance: During May 13, 2011 to August 9, 2011, the stock price had fallen $12.46 (-28%) from $44.43 to $31.97. The stock price saw one of its best stretches over the last year between January 28, 2011 and February 8, 2011 when shares rose for eight-straight days, rising 7.8% (+$4.05) over that span. It saw one of its worst periods between July 22, 2011 and August 4, 2011 when shares fell for 10-straight days, falling 13.3% (-$5.03) over that span.

Jack Henry & Associates, Inc. (NASDAQ:JKHY) is among the price losers in the market today as its stock price is $24.75, down $1.71 (-6.5%) from a previous close of $26.48. Jack Henry & Associates, Inc. is a provider of core information processing solutions for community banks. Its array of products and services includes processing transactions, automating business processes, and managing information.

Stock Price Performance: During May 13, 2011 to August 9, 2011, the stock price had fallen $5 (-15.9%) from $31.48 to $26.48. It saw one of its worst periods between July 21, 2011 and August 2, 2011 when shares fell for nine-straight days, falling 11% (-$3.35) over that span. The stock price saw one of its best stretches over the last year between October 21, 2010 and November 4, 2010 when shares rose for 11-straight days, rising 6.2% (+$1.62) over that span.

Jabil Circuit Inc. (NYSE:JBL) is one of the market losers in price today. Its shares are trading at $14.61, down 92 cents (-5.9%) from a previous close of $15.53. Jabil Circuit Inc. is an independent provider of electronic manufacturing services and solutions. It is engaged in the design, production of electronics, and it offers product management and aftermarket services to companies in a wide range of industries, such as the aerospace, defense, medical and telecommunications sectors. .

Stock Price Performance: During May 12, 2011 to August 8, 2011, the stock price had fallen $7.51 (-34.8%) from $21.59 to $14.08. The stock price saw one of its best stretches over the last year between June 23, 2011 and July 1, 2011 when shares rose for seven-straight days, rising 8.7% (+$1.67) over that span. It saw one of its worst periods between April 4, 2011 and April 12, 2011 when shares fell for seven-straight days, falling 6.7% (-$1.37) over that span.

Shares of Emerson Electric Co. (NYSE:EMR) are trading at $41.89, down $2.49 (-5.8%) from a previous close of $44.47. Emerson Electric Co. is a multinational technology company, which designs and supplies product technology. It provides engineering services to a wide gamut of industrial, commercial and consumer markets worldwide.

Stock Price Performance: During July 12, 2011 to August 9, 2011, the stock price had dropped $11.45 (-20.4%) from $56.18 to $44.73. The stock price saw one of its best stretches over the last year between June 24, 2011 and July 7, 2011 when shares rose for nine-straight days, rising 8.5% (+$4.58) over that span. It saw one of its worst periods between July 7, 2011 and July 18, 2011 when shares fell for eight-straight days, falling 5.7% (-$3.29) over that span.

Harris Corporation (NYSE:HRS) stocks are trading at $34.52. This is $2.08 (-5.7%) below the previous close of $36.60, making the company one of the biggest price losers in the market today. Harris Corp. is an international communications and information technology company serving commercial markets and government.

Stock Price Performance: During May 13, 2011 to August 9, 2011, the stock price had fallen $12.03 (-24.7%) from $48.63 to $36.60. The stock price saw one of its best stretches over the last year between January 3, 2011 and January 12, 2011 when shares rose for eight-straight days, rising 6.4% (+$2.86) over that span. It saw one of its worst periods between July 22, 2011 and August 2, 2011 when shares fell for eight-straight days, falling 12.4% (-$5.38) over that span.