Experts generally suggest that you should not let a single stock dominate your holdings.

There are two common ways to actually pull the trigger on a purchase:

: Limit any individual stock to roughly 5%–10% of your total portfolio. This "position size" ensures that if one company fails, it won't wipe out your entire savings.

When deciding how much stock to buy at once, the "right" amount is usually determined by two main factors: your total portfolio size and your preferred entry strategy. Core Rules for Position Sizing