Seasoned Issue
An issue of securities from an established company whose existing shares have exhibited stable price movements and substantial trading volume over time, thereby earning a good reputation.
Investopedia Commentary
These types of stocks have high liquidity within the secondary market.
This is also known as a Seasoned Equity Offering - SEO.
Related Links
Stock Basics Tutorial
The Alphabet Soup Of Stocks
"Widow And Orphan Stocks": Do They Still Exist?
See also: Blue Chip, Exchange, Liquidity, Secondary Market, Security, Volume