Turn

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Turn

In the equities market, a reversal; unwind.

Reversal

A change in a security's price trend.
References in periodicals archive ?
No cruelty is like the cruelty one turns against oneself after
The gene has a known role in the immune system, which strongly suggests that autoimmunity, in which the immune system turns against the body's own tissues, plays an important role in the disorder.
When someone has lupus their immune system turns against them, attacking their own tissues, which can lead to joint pain, organ failure and even death.