A circuit breaker is an automatic, temporary trading halt on certain securities when the underlying stock is experiencing times of high volatility. It is a measure put in place to help restore and bring order to the markets.

Here are the stocks halted on a circuit breaker today, and the news that possibly impacted those stocks, according to Benzinga Pro.

Vigil Neuroscience Inc (NASDAQ:VIGL) shares were buoyant throughout Wednesday's session as the stock was halted two times after several SEC filings showed that members of the board of directors purchased a collective 17,000 shares of the company’s stock.

Meatech 3D Ltd - ADR (NASDAQ:MITC) on Tuesday, Zack’s Small Cap Research set a $14 valuation on Meatech, resulting in an influx of volume which carried into Wednesday’s session, causing the stock to halt just after market open.

Tenon Medical Inc (NASDAQ:TNON) shares have been volatile since Tenon had its IPO on Thursday of last week, the stock was halted once on Wednesday and settled 19.17% higher on the session.

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Austin Gold Corp (NYSE:AUST) had its IPO on Wednesday at $5 per share, after which the stock gained as much as 295%, resulting in 14 halts during the trading session. The gains were erased, however, as the stock closed 11.25% higher on the day.

Black Knight Inc (NYSE:BKI) the stock was halted after shares made a 24% upside move following news that the Intercontinental Exchange (NYSE:ICE) would acquire Black Knight in a deal valued around $13.1 billion.

Encore Capital Group, Inc. (NASDAQ:ECPG) the stock was halted as the company prepared to release its first-quarter earnings report which showed an EPS of $6.40, representing an increase of 115.9% from the same period in the previous year.