The phrase "stock is very limited" is correct and usable in written English. You can use it when referring to a product that is in short supply and is running out. For example, "Due to the high popularity of the new iPhone, stock is very limited.".
The ORR highlighted aspects of the market such as the department making the award of a franchise so specific, that the train operator's choice of stock was very limited.
"Our stocks are very limited.
Visibility is very limited.
The downside is very limited.
"The construction is very limited.
The effect is very limited.
At present, my range is very limited.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.
Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com