TORONTO, Oct. 21, 2015 /CNW/ - The following issues have been halted by IIROC:

Company: Valeant Pharmaceuticals Int'l

TSX Symbol: VRX

Reason: Single-Stock Circuit Breaker

Halt Time (ET): 10:18:29 AM 

Company: Concordia Healthcare Corp.

TSX Symbol: CXR

Reason: Single-Stock Circuit Breaker

Halt Time (ET): 10:24:19

IIROC can make a decision to impose a temporary suspension (halt) of trading in a security of a publicly-listed company. Trading halts are implemented to ensure a fair and orderly market. IIROC is the national self-regulatory organization which oversees all investment dealers and trading activity on debt and equity marketplaces in Canada.

SOURCE Investment Industry Regulatory Organization of Canada (IIROC) - Halts/Resumptions