Never invest in individual stocks. You only hear from the few successes, not the numerous failures. It's no different than playing a slot machine. When Reddit did their IPO I was told by numerous people on Reddit that it was a sure thing the stock would crash so everybody should short it. The stock did not crash and went up.

The best way to invest is with an index fund. An index fund invests in every stock in the stock market. It could just be on particular market, or a mix, or all of them. A index fund is just stock, but there's all sorts of various types of funds that have extras in them like bonds and cash in addition to the index fund. Every investment company offers various index funds. Vanguard and Fidelity are well known ones. Both of them have tons of different types of funds.

The reason an index fund is so good is due to how the investment works. If you invest in every stock then the value of the stock you hold is directly related to the total amount of money in the stock market. The change of value of any one company is completely irrelevant as that money could be moving to another stock in your fund. Because people are incentivized to invest in the stock market through retirement plans, and people telling them to invest in the stock market, the total amount of money in the market tends to rise over time.

Remember that there is more than one stock market. That's why you want to do a fund rather than trying to do it yourself. Everything is handled for you.