Most major platforms now offer fractional shares , allowing you to buy as little as 0.001 of a share or invest by a dollar amount (e.g., $1 or $5) rather than by share count.
While you can buy a single share, experts generally recommend a more strategic approach to ensure your portfolio actually grows. Fractional Shares | Invest in Stock Slices | Fidelity minimum shares of stock to buy
There is no legal or exchange-mandated minimum number of shares you must buy. You can buy a single share of any publicly traded company. Most major platforms now offer fractional shares ,
Many leading brokers, including Fidelity and Charles Schwab , allow you to open an account with a $0 balance . 2. Best Practices for Modern Investing including Fidelity and Charles Schwab