Zacks Upgrades and Revisions Strategy highlights: Bucyrus International, Terra Industries, AZZ incorporated and ITT Educational Services.

CHICAGO -- Earnings estimate revisions are the most powerful force impacting stock prices. Couple that with the proven benefits of upgrades in ratings from brokerage firms and you have a strategy that delivered a +23.3 return in 2006. Four stocks meeting this screen's exclusive criteria are: Bucyrus International Inc. (NASDAQ: BUCY), Terra Industries Inc. (NYSE: TRA), AZZ incorporated (NYSE: AZZ) and ITT Educational Services Inc. (NYSE: ESI). View the entire list of stocks for the Upgrades and Revisions Profit Track at http://at.zacks.com/?id=1844

Here are details on four companies currently identified by the Upgrades and Revisions Profit Track:

Bucyrus International Inc. (NASDAQ: BUCY) is one of the world's leading manufacturers of large-scale excavation equipment used in surface mining. The Zacks #1 Rank company reported outstanding second-quarter results of 83 cents per share, with an EPS surprise of 25.76%. BUCY satisfies this screen's parameters with a per share price of $69.57 and a historical EPS growth rate 48.60% over the past five years.

Terra Industries Inc. (NYSE: TRA) sports a five-year historical EPS growth rate of 59.03% and a Zacks #1 Rank. For the second quarter, the company reported earnings of $1.86 per share, which exceeded the consensus of $1.23. TRA is an industry leader in the production and marketing of both nitrogen products and methanol.

AZZ incorporated (NYSE: AZZ) qualifies for this profit track with historical EPS growth of 55.94% over the past five years, as well as a recent EPS surprise of 51.85%. The screen calls for five-year historical EPS growth greater than 17% and an EPS surprise of greater than 10% in its most recent quarter. AZZ's fiscal first-quarter EPS amounted to 54 cents, compared to 34 cents a year earlier. The Zacks #1 Rank company is an electrical equipment and components manufacturer

ITT Educational Services Inc. (NYSE: ESI), a Zacks #1 Rank company, earned its place on this profit track with five-year historical EPS growth of 29.30% and an EPS surprise of 16.50%. In the second quarter, ESI's year-over-year net earnings increased to $1.20 per share, from 87 cents, while analysts expected earnings of $1.03. ESI is a leading proprietary provider of technical postsecondary degree programs in the United States based on student enrollment.

Discover all the current stocks currently on the Upgrades and Revisions Profit Track at: http://at.zacks.com/?id=1869

About Profit Tracks

What is a "Profit Track"? Each Profit Track is a successful stock picking strategy with proven results through the Bear Market of 2001-2002 and the Bull run started in 2003. On Zacks.com we have created these nine unique screens to offer investors great strategies to potentially outperform the market in the years ahead. In 2006, the Low Price Stocks strategy was the top performing Profit Track with a return of +56.5% followed by the Discounted Fundamental screen with a +34% return. To see all nine strategies along with philosophy, past performance and current stocks, go to http://at.zacks.com/?id=1838.

All the Profit Track strategies were created and backtested using the Research Wizard software from Zacks Investment Research. If you like this screening strategy, but want to narrow down the list of stocks and even improve the performance, then you should start a free trial to this powerful stock picking tool. Learn more about the Research Wizard free trial offer and our new special report "Top 10 Stock Screening Strategies" at http://at.zacks.com/?id=4616

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Disclaimer: Past performance does not guarantee future results. Investors should always research companies and securities before making any investments. Nothing herein should be construed as an offer or solicitation to buy or sell any security.