Interpublic Group and Services Shares Leading the Slide: IPG, AVB, SLG, ESS, ELS

Through most of the trading day on Wednesday, September 21, 2011, these stocks are bringing down the Services (NYSE:IYC) 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.

AvalonBay Communities, Inc. (NYSE:AVB) is among the price losers in the sector. Its shares are trading at $121.57, which is $5.02 (-3.6%) below the previous close of $126.12. AvalonBay Communities, Inc. develops, acquires, and operates multifamily communities in barrier-to-entry markets in the United States.

Stock Price Performance: From July 25, 2011, to September 20, 2011, the stock price had fallen $11.89 (-8.6%) from $138.01 to $126.12. 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 trading days, rising 8.6% (+$10.93). It saw one of its worst periods between July 29, 2011 and August 8, 2011 when shares fell for seven straight trading days, falling 13.3% (-$17.84).

SL Green Realty Corporation (NYSE:SLG) is one of the sector losers in price. Its shares are trading at $66.44, down $2.58 (-3.5%) from the previous close of $68.83. SL Green Realty Corporation is a self-managed real estate investment trust, with in-house capabilities in property management, acquisitions, financing, development, construction and leasing.

Stock Price Performance: From July 25, 2011, to September 20, 2011, the stock price had fallen $18.21 (-20.9%) from $87.04 to $68.83. 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 trading days, rising 6.9% (+$5.68). It saw one of its worst periods between July 21, 2011 and August 2, 2011 when shares fell for nine straight trading days, falling 12.9% (-$11.28).

Essex Property Trust, Inc. (NYSE:ESS) is among the price losers in the sector as its stock price is $132.06, down $4.26 (-3.1%) from the previous close of $136.28. Essex Property Trust is a self-administered and self-managed REIT that acquires, develops, redevelops and manages apartment communities in selected residential areas located primarily in the West Coast of the United States.

Stock Price Performance: From July 25, 2011, to September 20, 2011, the stock price had fallen $6.60 (-4.6%) from $142.88 to $136.28. The stock price saw one of its best stretches over the last year between June 27, 2011 and July 8, 2011 when shares rose for nine straight trading days, rising 8.1% (+$10.75). It saw one of its worst periods between August 1, 2011 and August 8, 2011 when shares fell for six straight trading days, falling 14.6% (-$20.67).

Interpublic Group of Companies Inc. (NYSE:IPG) is one of the sector losers in price. Its shares are trading at $7.88, down 24 cents (-3.1%) from the previous close of $8.13. The Interpublic Group of Companies, Inc. is an advertising and marketing services company that specializes in consumer advertising, interactive marketing and media planning.

Stock Price Performance: From July 25, 2011, to September 20, 2011, the stock price had fallen $4.30 (-34.6%) from $12.43 to $8.13. The stock price saw one of its best stretches over the last year between June 24, 2011 and July 5, 2011 when shares rose for seven straight trading days, rising 11.3% (+$1.28). It saw one of its worst periods between July 22, 2011 and August 2, 2011 when shares fell for eight straight trading days, falling 28.6% (-$3.59).

Shares of Equity Lifestyle Properties, Inc. (NYSE:ELS) are trading at $69.67, down $2.08 (-3%) from the previous close of $71.83. Equity Lifestyle Properties, Inc. is a fully integrated owner and operator of lifestyle-oriented properties.

Stock Price Performance: From August 22, 2011, to September 20, 2011, the stock price had risen $10.10 (16.4%) from $61.73 to $71.83. The stock price saw one of its best stretches over the last year between May 24, 2011 and June 2, 2011 when shares rose for seven straight trading days, rising 8.2% (+$4.74). It saw one of its worst periods between February 14, 2011 and February 24, 2011 when shares fell for eight straight trading days, falling 3.8% (-$2.18).