Digital Realty Trust and Other Real Estate Operations Stocks Making Big Moves on October 26, 2012

The morning has been bad for the market. The Nasdaq has fallen 0.6%; the S&P 500 has decreased 0.6%; and the Dow has declined 0.4%.

The Real Estate Operations sector (IYR) is down 1.1%, underperforming the market overall. The current biggest movers in the sector are:

Company	Market Cap	Percentage Change
Digital Realty Trust (NYSE:DLR)	$7.82 billion	-5.8%
CoreSite (NYSE:COR)	$508.9 million	-4%
Jones Lang LaSalle (NYSE:JLL)	$3.35 billion	-2.6%
FirstService Corporation (Nasdaq:FSRV)	$830.4 million	+2%
National Health Investors (NYSE:NHI)	$1.48 billion	-1.9%
SL Green (NYSE:SLG)	$6.85 billion	-1.8%
Alexandria Real Estate Equities (NYSE:ARE)	$4.46 billion	-1.4%

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Digital Realty Trust (NYSE:DLR) is down 5.8% to reach $60.41 per share. The company's volume for the day so far is 2.3 million shares. This is on pace to reach yesterday's trading volume of 5.2 million shares.

After a decline of 4%, CoreSite (NYSE:COR) has hit a share price of $23.12. At 90,299 shares, the company's volume so far today is consistent with its current daily average.

Jones Lang LaSalle (NYSE:JLL) is trading at $74.03 per share, down 2.6%. So far today, 67,851 shares have changed hands.

FirstService Corporation (Nasdaq:FSRV) has moved up 2% and is currently trading at $29.51 per share. The company's volume is currently 1,846 shares for the day, 0.4 times its average over the past three months.

At $52.32, National Health Investors (NYSE:NHI) has slipped 1.9%. The company is trading at a volume of 11,985 shares. This is a sign that there will be less trading activity than there was yesterday.

Falling 1.8%, SL Green (NYSE:SLG) is currently at a share price of $74.65. At 264,186 shares, the company's volume so far today is in keeping with its current daily average.

Alexandria Real Estate Equities (NYSE:ARE) is currently trading at a share price of $70.11, a 1.4% decline. The company's volume for the day so far is 281,470 shares.

The Bottom Line The nature of the market is such that stocks will have good days and bad days. It is important to weigh current activity against historical performance when making any investment decisions. Tools like valuation ratios and profit margins, however, are only as useful as the context you put them in; remember to take historical data and competitor performance into account.