Hello there!  I'm Matt Chadwick at the business desk.
So many persons are seeking to find those markets that can bring them quick fortunes, lots and lots of revenue, and financial success for life.  We at the business desk are constantly being bombarded with questions on the subject and like the rest of my colleagues my answer to this question is yes!  There are definitely markets out there that can bring you safe and constant revenue, markets that are still relatively untapped and lucrative, and markets that can offer long lasting consumer growth and consumer demand, real consumers, real demand, and longevity in both life span and growth. 
These markets do exist but you need to learn how to discover them.  No, don't go looking for those large markets, start by looking for those small markets that can be described as niche markets.  These are the markets that will help you to get on your feet.  It is safer to start with a tiny slice, try it, and if you like it then start to build on it.  There are literally hundreds of thousands of niche markets out there just waiting for you to find them.  These markets are made up of specific types of consumers who are looking for specific types of products and services.  Let me give you some examples of a few very successful niche markets:
The small company in Britain that is marketing eggs that contain invisible ink on their shells so that when someone boils them they will be able to know if they are poached, soft boiled, or hard boiled based on the color of the ink displayed on the shell.  The consumer will not see the ink when they first purchase this type of egg.
The company in the United States that is using ground up tyres to make sidewalks that can stand up to the hottest day and the coldest night.
The creators of the game Trivia Pursuit.
The creator of the Rubik Cube.
The inventor of the Pet Rock and the latest is the inventor of the squirrel zap.  A little device that gives a gentle zap to squirrels and birds if they attempt to sit on electric wires or steal the buds from the flowers.  There is a very huge problem that is constantly challenging those who live in outlying areas and that is the interruption of power to households on a too regular basis whenever squirrels and birds touch those electric wires.  The creators of this newest zap have already sold over 100000 units across America.
Finding those niche markets can be a challenge for those who don't really know where or how to look for them.  In addition, if you don't know what you're doing you could end up spending thousands of research hours and come up empty.  So, if you're interested, check out our book Untapped Wealth Discovered before you leave our website.
This gem of a book (first edition) is available in both e and hard copy at www.booksurge.com and the second edition is available at www.authorhouse.com.  You may also obtain the second edition at www.untappedwealth.com/order.htm.