That is the fact,because interchangably the two are used as meaning the same thing,stock are portfolio shares that are traded in the exchange market,Yhey are the book value of a shareholders holdings in a company.The distinction between stocks and shares is pretty blurred in the Financial market.Generally, in American English, both words are used interchangeably to refer to financial equities, specifically, securities that denote ownership in a public company (in the good old days of paper transactions, these were called Stock certificates.Nowadays, the difference between the two words has more to do with syntax and is derived from the context in which they are used.
Some keypoints are:
For all intents and purposes, stocks and shares refer to the same thing.
The minor distinction between stocks and shares is usually overlooked, and it has more to do with syntax than financial or legal accuracy.
To invest in stocks or, more specifically, to invest in shares of a company's stock, you will need your own brokerage Account.