Exchange seeks to allow anonymous "broker preferencing"
The transaction is designed to allay regulatory concerns about competition
Computer hardware failed, exchange officials say
The FCA issues guidance on public listings by cannabis companies
The revisions aim to reduce redundant requirements on trading venues
Former CEO Lou Eccleston stepped down in January
TMX reports monthly transactions double in March
Companies will not have to notify the exchange if they need more time to file certain financial statements
TMX Group said it's in the company's best interests for the CEO to retire early
One of the rivals makes a cash offer, while the other is in talks with the stock exchange's board