A newsletter is basically defined as a publication that is distributed to its subscribers on a regular basis that discusses one main topic as to benefit the readers. Newsletters can be published by a variety of different people or companies, depending on what the newsletter content is based on. Stock market newsletters are publications that are meant to discuss and give valuable information to investors about the stock market. Quality market newsletters can give stock traders insights on current trends in the market. Stock market newsletters are most often distributed by trading companies and are delivered to their subscribers and clients via the internet and also through the postal mail.Stock market newsletters are valuable trading tools because they help the subscribers and clients, in some cases, choose the best investment opportunities and show them how to invest sensibly. Some of the valuable trading tools that you will find in stock market newsletters are company profiles, news articles, stock portfolios, monthly best gainers, monthly worst losers, and stock performance tables as well. These are all tools that any smart investor will want to take advantage of. Company profiles will consist of the company’s description, recent stock charts and trading history as well. This is information you will want to know before investing in any particular company and you can easily find it in many stock market newsletters. News articles will usually consist of articles that inform stock market investors on the current trends going on in the stock market and certain company’s recent developments in the stock market.News articles can be a great tool for you to use, but you must make sure that the articles are based on fact and not opinions. The best stock market newsletters will have fact-based articles rather than opinion-based. Stock portfolios are quite handy because they are a compilation of a company’s stocks and bonds and some other investment related items. The monthly best and worst is always a wise tool to use to your advantage, especially if the information in your stock market newsletter is accurate. The monthly losers are sometimes more important to pay attention to than the winners, especially if you are a newcomer to the stock market. Staying away from the losers in the stock market is very important.Stock market newsletters can provide you with quality investments tips that can prove to be very advantageous to your financial situation. The key to using a stock market newsletter as a quality tool for investing in the stock market is to find a stock market newsletter that is accurate and data based. Hard data about the stock market can always aid you in getting ahead and risking less of your money on fruitless endeavors. If you have not yet subscribed to one of these powerful tools and newsletters, you will want to seriously start thinking about subscribing.