"counter trend" is correct and usable in written English.
It is usually used to describe a reversal of an existing trend. For example, "The company has seen a counter trend of increased profits despite suffering from the effects of the recession."
I am always looking for the counter trend.
—Rosemary Counter, "Trend Piece" (September 16, 2014) *** Are weapons allowed in the corn maze?
— David Gallagher Formal Fridays Wall Street Journal | A counter trend for Silicon Valley?
Spence also points out that for every craze, there's a counter trend, like the slow food movement.
But in an unexpected counter trend, the latest fund-raising reports show that the mayor has raised far more money than the first lady.
This comes at a time when an interesting counter trend is emerging – more young people are being hyper-protective about what they share with their friends.
He hopes his long-form style (mocked by jealous rivals as "slow Burns") can counter trends towards short attention spans.
Unfortunately, there are worrying counter trends stifling some of these efforts and making it ever more difficult to carry out work with official data.
There are numerous trends and counter trends which are about to emerge and create an interesting volatility.
Thus, under the mantle of cosmogenesis exist two counter trends: the tendency of the physical world to run downhill according to the second law, and the counter-entropic trend of biological systems toward greater complexity and higher consciousness.
Side by side with this strong trend toward specialization, however, is another, countering trend: that of cross-fertilization and interdisciplinary cooperation.
