I’ll reply without knowing your situation fully. If you don’t have an emergency fund that would cover several months worth of expenses that is probably the single most impactful thing you can do with $10k. A few high yield savings account offer rates around 4%, some of them have strings attached, so read how it works carefully. Think of this as insurance against unforseen expenses that you might otherwise have to put on a card and consequently pay interest for. Pick a number and always make sure you keep that account at that number.

If you already have an emergency fund, you have lots of options. Personally, I am onboard with the folks recommending index funds. I have an ETF that tracks the DOW and it has outperformed most of my individual stocks significantly over time.

Most importantly, strangers on the internet are likely not financial advisors and may not even know what they are doing. Take everything with a grain of salt and if you talk to any investment companies make sure you understand the difference and overlap between a financial advisor and a fiduciary.