"remarkable returns" is correct and usable in written English.
You can use it to describe a particularly positive outcome or result. For example: "The company saw remarkable returns on its investments this quarter."
It is hard to believe that the remarkable returns from direct investments will be sustained.
In Bangladesh, the $11 investment provided remarkable returns for the workers, their families, and their communities.
In the past, Mr. Meriwether has made some remarkable returns for his investors and for himself.
By almost any measure it generated remarkable returns for shareholders and paid vast sums to its employees.
Reducing the input referred offset voltage of a sense amplifier (SA) provides remarkable returns in terms of reliability and energy conservation in static random access memory (SRAMs), which consume dominating portion of total power in modern ICs.
Confidential records of that specific partnership, disclosed in The New York Times on Friday, show that Enron tried to attract investors by dangling the prospect of potentially remarkable returns, driven by access to inside information about Enron's financial dealings.
Noting the remarkable return on that investment, the nation of Greece immediately proposed.
It is a wonderful film and, for Rampling, a remarkable return to form.
Bob Knight's remarkable return to college coaching this season ended in disappointing fashion tonight.
Solwhit completed his remarkable return from injury to gain a fairytale success in the Ladbrokes World Hurdle at Cheltenham.
With their relaunched womenswear line now in its third season, YMC has achieved a remarkable return to form.
