company_subscriptions_get: Gets company's subscription rights
Description
Gets a list of all company's subscription rights.
A subscription right is the right of existing shareholders in a company to
retain an equal percentage ownership by subscribing to new stock issuances
at or below market prices. (https://www.investopedia.com/)
Represents the company, can be the stock symbol, like PETR4 or
the first four characters PETR
cache_folder
Location of cache folder (default = cachedir())
do_cache
Whether to use cache or not (default = TRUE)
Details
The code parameter can be the stock symbol, but the returned data refers
to the company, always.
The returned data.frame has all company's symbols that have issued
subscription rights.