The given statement is True
Step-by-step explanation:
We must first understand the "difference between stocks and share" to answer this question.
Stocks are all the overall ownership that a person possess. It might be from one company or multiple companies.
Shares are the ownership of the particular company. The person is responsible for his/her own share. Eg. You goto a dinner along with your friend and the bill is $100 then you must pay half ($50). That's called a share.
So "when you buy a new stock", indirectly it means that you buy a share of a single or multiple companies.