The phrase "a significant upswing" is correct and usable in written English.
It can be used to describe a notable increase or improvement in a particular situation, trend, or metric.
Example: "The company reported a significant upswing in sales during the last quarter, indicating a positive market response."
Alternatives: "a considerable increase" or "a marked improvement."
But by midyear, many anticipate a significant upswing in the tempo of Coke's sales and profits.
Earlier in the week a Populus poll showed a significant upswing for the Liberal Democrats, suggesting that they were winning support from Scots who want to punish Labour but could not bring themselves to vote SNP.
This has been a significant upswing from the kind of associations that plagued the Balkans in the early nineties: shuffling, gaunt-faced refugees; or aviator-masked, machine-gun-wielding paramilitary; the ubiquitous wool-clad septuagenarian leaning on a rake in the foreground of a panorama detailing the ashen remains of his farm and the minefield beyond.
With the introduction of personal communications services, and digital packet data services, broadband wireless technology has experienced a significant upswing in recent years.
2010 saw a significant upswing in the number of imported malaria cases in the USA, with the highest reporting levels seen since 1980.
The specific time is now, because there is a significant upswing across dialysis wards in using EBI-based equations for guiding nephrologists to manage body fluid balance of patients requiring dialysis and such nephrologist deserve to know what is the error expected from a volume estimation based on EBI measurements.
Our recent Responsible Investment Benchmark Report highlighted that despite a significant recent upswing in demand for ethical and socially responsible investments to the highest level in a decade, we still see only a small proportion of the public actively choosing these options, amounting to just 2.5% of total assets under management.
A study by Stefan Szymanski of the University of Michigan and Georgios Kavetsos of the Cass Business School in London finds no statistically significant upswing in national happiness attributable to hosting the Olympics (in this it comes a poor second to the football World Cup).
The social worker I interviewed told me he didn't believe there had been significant upswings or downswings in child abuse at given points in his career, only swings in the acknowledgement of it as abuse.
The Dawes Plan marked a significant step in the upswing of the German economy that lasted until the onset of the Great Depression.
Continuing to signal the end of the recession, the committee indicated that inventory investment is on an upswing and the economy "is expanding at a significant pace".
