The phrase "a highly profitable activity" is correct and usable in written English.
You can use it when describing an endeavor or business that generates significant financial returns.
Example: "Investing in renewable energy has become a highly profitable activity for many companies in recent years."
Alternatives: "a very lucrative endeavor" or "a significantly rewarding pursuit."
The Federal Reserve said late Friday it is revisiting a landmark ruling that allowed big banks to enter the lucrative commodities business, raising the specter that banks may be banned from the highly profitable activity.
He also voiced concern that the Bank's as-yet-untested watchdog role may not prove effective especially given some banks may look for ways to get around restrictions on risky but highly profitable activities.
We now know full well that highly profitable activities can inflict enormous damage upon society, like polluting the environment, engaging in monopolistic practices, selling cigarettes and on and on.
These studies suggest that it is generally most profitable to harvest the most valuable timber species in unsustainable ways, then invest the proceeds from these activities in other highly profitable activities (Barbier, 1995).
The field group's performance improved significantly over the next quarter, and the company was able to create a highly profitable revenue stream through the activities of Calder's new team.
Its narrow scope of activities creates a highly profitable cost structure.
The Choctaw Indians run a highly profitable casino near Philadelphia, Miss., that bankrolls their community activities and has subsidized an extensive lobbying effort in Washington.
Microfinance has been a particular inspiration to the GIIN set, because what was once a charitable activity has become, in some instances, a highly profitable business.
Tighter definitions will also attempt to bar digital multinationals from splitting closely allied business activities into onshore and offshore components — a highly profitable company based offshore but able to book sales remotely, and a less profitable, in-market company claiming only to provide "support services" to the overseas company.
Walmart is a highly profitable corporation, recording between $16 and $17 billion a year in profits.
