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Retirement, Investments, & Insurance for Individuals Build your knowledge How does investing work?

How does investing work?

For long-term dreams like saving for college and retirement, understanding how investment works can help you create a plan to meet your goals.

A couple sitting on the couch in their living room reviewing documents related to their investments.
4 min read |

Putting money aside as you’re able is a great way to cushion against the unexpected and make progress toward bigger financial goals such as retirement. How most people do that takes two forms: saving or investing.

You probably get how saving works. But how does investing work and how can you select your investments?

What is saving vs. what is investing

Saving is usually reserved for short- and intermediate-term goals—an emergency fund for car repairs, for example.

How investing works is you put your money in an account or fund with the goal of making a profit. Investing comes with the potential of greater rewards (which can include more risk) over time. That’s why some people use investments to reach long-term goals such as retirement.

  Savings account Investment account
Where money goes An account in a financial institution, such as a bank. Financial products such as stocks, bonds, mutual funds, and annuities, the value of which is held in an account.
How money grows Steadily but slowly. The higher the interest rate, generally the higher required minimum balance. Account value shifts as investments such as stocks gain or lose value. The potential for growth is higher, but not guaranteed. You may also sell investments for gain (or loss) or receive dividends with stocks or interest with bonds.
Risk and flexibility Low risk, some flexibility, little variability. Generally insured up to $250,000 per institution. Many have fees and transfer limits. Interest earned is typically taxable. Generally fairly flexible to purchase or add to; may be penalties for early withdrawal on retirement accounts. No growth is guaranteed, so there’s more risk. Some are tax advantaged.

How investing works in investment accounts

The term investment account refers to how the money you use to purchase stocks, bonds, mutual funds, or some combination, is held. There are three different types of investment accounts:

1. Retirement investment account

There are two main types:

  • A 401(k), which is provided through your workplace and often supplemented by employer contributions.
  • An individual retirement account, or IRA, set up by you as an individual to put money aside for retirement.

For both, you choose, based on predetermined limits, how much to deposit. If you have a 401(k), funds are deferred from your paycheck. With both, you may decide how you want to allocate your investments (see below).

2. Education investment account

Savings and earnings in these, such as a 529, are used to pay for qualified educational expenses. You can choose the allocation in funds that contain products such as stocks and bonds, and there are tax advantages as well.

3. Brokerage investment account

You as an individual transfer funds to a brokerage firm; you choose individual investments, such as stocks. Your money has no guarantee against loss and there are no tax advantages, but there may be more flexibility for withdrawal than a retirement investment account.

How to select investments in your investment account

When you start saving in an investment account and select your investments, you don’t buy stock in just one company. You’re investing in a fund that in turn is invested in a range of companies. There are hundreds of different types of these funds, and the choices can be overwhelming. That’s why most people with investment accounts select investments based on age or risk tolerance. For both, it’s important to understand the role of risk and diversification in your investment selections.

Investment account risk

Investment funds are generally classified based on risk, from conservative to aggressive. The riskier the investment, the more potential for growth or loss. If you have more time before you need your investments, you may be able to withstand more risk. The closer you are to retirement, the less able you may be to tolerate risk.

Investment account diversification

Each investment fund includes a diverse array of companies; if one company does poorly in a year, another might do well, which offers balance in loss and growth. Funds might also allocate their assets (i.e., your money) in diverse ways, putting a certain percentage in stocks, another in bonds, and the rest in cash. Both are an example of diversification, which can help to spread out the risk.

The investing rule of thumb

Invest as soon as you can, for as long as you can. The more time your money works for you, the more opportunity it’ll have for growth (otherwise known as the magic of compound interest). Here’s an example:

Age of opening investment account Initial investment Average return Account value at age 651
25 $10,000 6% $102,857
35 $10,000 6% $57,435
45 $10,000 6% $32,071

Next steps

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