If you are an active trader who prefers making frequent, small trades, Interactive Brokers may be the best fit. There is no pre-trade fee and options commissions are $0.70 cents per contract. High volume traders can qualify for lower pricing down to $0.15 cents per contract with 100,000+ contracts per month. This brokerage also offers pricing that is attractive to active stock and ETF traders. Different pricing applies to non-US options.
NinjaTrader Group, LLC Affiliates: NinjaTrader, LLC is a software development company which owns and supports all proprietary technology relating to and including the NinjaTrader trading platform. NinjaTrader Brokerage™ is an NFA registered introducing broker (NFA #0339976) providing brokerage services to traders of futures and foreign exchange products.

We all know someone who has “tried” investing in the stock market, lost a lot of money, and denounced it as a scam. The truth is that the stock market is not a scam; it is an incredible wealth-building tool. Most people who lose money in stocks do so because they get spooked by a dip in the market and then panic. Fearing that they will lose all of their investment, they hastily sell their shares, often at a loss. This should not be the case. Investors must keep in mind that over the long run, the stock market tends to increase in value, so they should think twice before selling their investments in a panic.

We think a low minimum to open an account is a real advantage when you're just starting out. That's because you can start with…say, $500, and then add to your balance over time with monthly or annual contributions to your account. The hardest step in investing is often just getting started, so we prefer brokers who have a low minimum to open an account and place a trade, which cuts out a potential roadblock on the way to saving and investing.
Equity investments historically have enjoyed a return significantly above other types investments while also proving easy liquidity, total visibility, and active regulation to ensure a level playing field for all. Investing in the stock market is a great opportunity to build large asset value for those who are willing to be consistent savers, make the necessary investment in time and energy to gain experience, appropriately manage their risk, and are patient, allowing the magic of compounding to work for them. The younger you begin your investing avocation, the greater the final results – just remember to walk before you begin to run.
Buy “the basket”: Can’t decide which of the companies in a particular industry will be the long-term winner? Buy ’em all! Buying a basket of stocks takes the pressure off picking “the one.” Having a stake in all the players that pass muster in your analysis means you won’t miss out if one takes off, and you can use gains from that winner to offset any losses. This strategy will also help you identify which company is “the one” so you can double down on your position if desired.
If you’re interested in day trading, our recommendation is to allocate a small portion of your overall portfolio to the strategy – no more than 5% or 10%, tops. That way, if you lose money — as you are likely to do, at least at first — those losses are at least capped. The rest of your portfolio should be invested in long-term, diversified investments like low-cost index funds.
Whatever happens on a stock exchange and no matter how much influence computers, algorithms and high frequency trading may have, human nature will always have an important role to play. Typically, human nature becomes more important when momentum is changing and there is excitement or panic in the air. It would seem wise to try and understand this mass psychology or group thinking which is often referred to by investors as the madness of crowds.
When thinking about the mindset of investors, The Great Crash 1929 by J.K.Galbraith (reviewed here) should also be required reading. Typically, any sustained fall in prices - known as a bear market - is very destructive to wealth. However, as Galbraith explains wonderfully, each bear market is unique and is a reflection of the bull market that came before it. The book explains a great deal about the feedback loops that can exist when prices rise and fall as more people are either sucked into or forced out of holdings. It is the reference work about a very important slice of Wall Street history.
The IBRK Lite plan enables affordable investing with no commissions and no account minimums on its stocks and ETFs. Its Pro plan is for the regular investor, with specific fees based on your investment activity. Research and education are impressive, with its Traders’ Academy offering free courses and several applications designed to help you make better investments. 
Define and write down the conditions under which you'll enter a position. "Buy during uptrend" isn't specific enough. Something like this is much more specific and also testable: "Buy when price breaks above the upper trendline of a triangle pattern, where the triangle was preceded by an uptrend (at least one higher swing high and higher swing low before the triangle formed) on the two-minute chart in the first two hours of the trading day."
When investing in the stock market, you have to think long term and avoid the temptation to check your portfolio several times per day. All this will do is waste your time, stress you out, and increase the odds that you will make a big mistake and sell at the wrong time. Plan to set up automatic contributions to your investment so you can buy more investments no matter where you are.
A (Excellent) - The stock has an excellent track record for maximizing performance while minimizing risk, thus delivering the best possible combination of total return on investment and reduced volatility. It has made the most of the recent economic environment to maximize risk-adjusted returns compared to other stocks. While past performance is just an indication -- not a guarantee -- we believe this fund is among the most likely to deliver superior performance relative to risk in the future as well.
Bonus Stock Market Tip: Everything above is related to how best to invest actively - in other words buying and selling into companies that have been selected by you. But what if you don't have the time, money or inclination? What if the paragraphs above put you off? Perhaps you were looking for a simpler guide? The stock market for dummies perhaps?
Fees beyond trade commissions include inactivity fees (common with active trading brokers such as Interactive Brokers, Lightspeed, and TradeStation) and IRA fees for having a retirement account. While most brokers do not charge predatory fees, it’s still important to do your due diligence. Just like a bank account, stock brokers also make a portion of their profits off miscellaneous fees.
ECN/Level 2 quotes: ECNs, or electronic communication networks, are computer-based systems that display the best available bid and ask quotes from multiple market participants and then automatically match and execute orders. Level 2 is a subscription-based service that provides real-time access to the Nasdaq order book composed of price quotes from market makers registering every Nasdaq-listed and OTC Bulletin Board security. Together, they can give you a sense of orders being executed in real time.
Imagine owning stocks in five different companies, each of which you expect to continually grow profits. Unfortunately, circumstances change. At the end of the year, you might have two companies (A & B) that have performed well so their stocks are up 25% each. The stock of two other companies (C & D) in a different industry are up 10% each, while the fifth company’s (E) assets were liquidated to pay off a massive lawsuit.
Tastyworks officers say that more than 90% of the trades placed by their customers are derivatives, so there are a lot of tools for options and futures traders. Everything is designed to help the trader evaluate volatility and the probability of profit. It’s all about making decisions and taking action. Executions are fast and the costs are low, capping commissions for opening orders for options on equities and futures at $10 per leg. As you build a position from a chart or from a volatility screener, a trade ticket is populated for you. There’s a video viewer embedded so you can keep an eye on the tastytrade network. Though a newcomer to options trading might be initially uncomfortable, those who understand the basic concepts will appreciate the content and features.
The best way to practice: With a stock market simulator or paper-trading account. Many brokers offer these virtual trading platforms, and they essentially allow you to play the stock market with Monopoly money. Not only do you get to familiarize yourself with trading platforms and how they work, but you also get to test various trading strategies without losing real money. The link above has a list of brokers that offer these play platforms.