Why do non-electronic stock exchanges (with floor traders) still exist?
For the second part, no most NYSE trades are done electronically. Non-electronic stock exchanges still exist because they used to exist. There are a lot of people in trading firms who grew up with floor trading and don't want to give it up, either because they feel more comfortable with it or because they might lose their job if they went away from it.
For some very small private companies I know of (and am part of), paper stocks do exist. You can sit at the table with the damn things in your hand and wave them in people's faces.  They tell everyone how much of the company you own as a result of the money you ponied up. On the other hand, most stocks are now electronic. Nothing to hold. Just electronic records to review. They still represent how much you own of the company because of some amount of money you have put at risk, but they aren't anywhere near as much fun as the old-fasioned paper proofs. (As MrChrister notes, you can pay a small fee to get paper if you like, even for some big companies. Some of these paper stocks are remarkably elaborate and fine looking, but hardly necessary.) (You can see more info about what stocks are and what sort of stocks exist here: http://www.wikinvest.com/wiki/What_is_a_stock%3F) "Algorithmic trading doesn't necessarily require live feeds. It is a very generic term describing trading based on the decisions made by a machine and not a person. One very prominent type of algo-trading is ""high frequency trading"". For HFT to be effective, not only do you need live feeds (which are provided by the exchanges electronically), you need them before others get them. That's why HFT traders put their machines as close as possible (physically) to the exchange data centers, sometimes even renting racks at the same datacenters from the exchanges themselves." "This page from the CRA website details the types of investments you can hold in a TFSA. You can hold individual shares, including ETFs, traded on any ""designated stock exchange"" in addition to the other types of investment you have listed.  Here is a list of designated stock exchanges provided by the Department of Finance.  As you can see, it includes pretty well every major stock exchange in the developed world. If your bank's TFSA only offers ""mutual funds, GICs and saving deposits"" then you need to open a TFSA with a different bank or a stock broking company with an execution only service that offers TFSA accounts.  Almost all of the big banks will do this.  I use Scotia iTrade, HSBC Invest Direct, and TD, though my TFSA's are all with HSBC currently.  You will simply provide them with details of your bank account in order to facilitate money transfers/TFSA contributions. Since purchasing foreign shares involves changing your Canadian dollars into a foreign currency, one thing to watch out for when purchasing foreign shares is the potential for high foreign exchange spreads.  They can be excessive in proportion to the investment being made.  My experience is that HSBC offers by far the best spreads on FX, but you need to exchange a minimum of $10,000 in order to obtain a decent spread (typically between 0.25% and 0.5%).  You may also wish to note that you can buy unhedged ETFs for the US and European markets on the Toronto exchange.  This means you are paying next to nothing on the spread, though you obviously are still carrying the currency risk.  For example, an unhedged S&P500 trades under the code ZSP (BMO unhedged) or XUS (iShares unhedged). In addition, it is important to consider that commissions for trades on foreign markets may be much higher than those on a Canadian exchange.  This is not always the case.  HSBC charge me a flat rate of $6.88 for both Toronto and New York trades, but for London they would charge up to 0.5% depending on the size of the trade.  Some foreign exchanges carry additional trading costs.  For example, London has a 0.5% stamp duty on purchases. EDIT One final thing worth mentioning is that, in my experience,  holding US securities means that you will be required to register with the US tax authorities and with those US exchanges upon which you are trading.  This just means fill out a number of different forms which will be provided by your stock broker. Exchange registrations can be done electronically, however US tax authority registration must be submitted in writing.  Dividends you receive will be net of US withholding taxes.  I am not aware of any capital gains reporting requirements to US authorities." "A huge amount of money in all financial markets is from institutional investors, such as mutual funds, government pension plans, sovereign wealth funds, etc.  For various reasons these funds do all of their trading at the end of the day.  They care primarily that their end-of-day balances are in line with their targets and are easy to audit and far less about ""timing the market"" for the best possible trades. So, if you're looking at a stock that is owned by many institutional investors -- such as a stock (like AAPL) that makes up a significant portion of an index that many funds track -- there will be a huge amount of activity at this time relative to stocks that are less popular among institutions. Even just in its introduction this paper (PDF) gives a fair overview of other reasons why there's a lot of trading at end-of-day in general. (In fact, because of all this closing activity and the reliance on end-of-day prices as signposts for financial calculations, the end-of-day has for decades been the single most fraud-ridden time of the trading day.  Electronic trading has done away with a lot of the straight-up thievery that floor traders and brokers used to get away with at the expense of the public, but it still exists.  See, for example, any explanation of the term banging the close, or the penalties against 6 banks just last month for manipulating the FX market at the close.)" "This is somewhat of a non-answer but I'm not sure you'll ever find a satisfying answer to this question, because the premises on which the question is based on are flawed.  Money itself does not ""exist physically,"" at least not in the same sense that a product you buy does. It simply does not make sense to say that you ""physically own money."" You can build a product out of atoms, but you cannot build a money out of atoms. If you could, then you could print your own money. Actually, you can try to print your own money, but nobody would knowingly accept it and thus is it functionally nonequivalent to real money. The paper has no intrinsic value. Its value is derived from the fact that other people perceive it as valuable and nowhere else. Ergo paper money is no different than electronic money. It is for this reason that, if I were you, I would be okay with online Forex trading." "I've said it before here on Reddit, and I'll say it again: How does HFT affect an investor looking to buy XYZ at $10 and hold for six months to sell at $12? The answer: It doesn't.  HFT is just the new exchange ""floor."" There have always been professionals on the floors of the exchanges who could compete with one another for single ticks. And then, just as now, they had little to no impact on long-term investors.  Reading through the comments of the article makes it abundantly clear that there is a shocking lack of knowledge of HFT practices and impact on the markets." There are lots of good answers on here already.  There are actually lots of answers for this question.  Lots.  I have years of experience on the exchange feed side and there are hundreds and thousands of variables.   All of these variables are funneled into systems owned by large financial institutions (I used to manage these - and only a few companies in the world do this so not hard to guess who I work for).  Their computers then make trades based on all of these variables and equations.  There are variables as whacky as how many times was a company mentioned in an aggregate news feed down to your basic company financials.  But if there is a way to measure a company (or to just guess) there is an equation for it plugged into a super computer at a big bank. Now there are two important factors on why you see this mad dash in the morning: Now most of the rest of the day is also automated trades but by the time you are an hour into market open the computers for the most part have fulfilled their calendar buys.  Everyone else's answer is right too.  There is futures contracts that change, global exchange info changes, options expiring, basic news, whatever but all of these are amplified by the calendar day changing. Also, from personal experience, most banks' internal IT systems are bare minimum to keep working. Outside of trading systems the back office are often on Lotus Notes 99 or similar just because back office is seen as a cost and it's easy to justify not upgrading IT systems.  For sure, if the ROI is right it might get approved but it's hard to overstate how much time of your average back office employee is already spent fighting shitty systems that could be improved with today's tech.