ET (14:27 GMT), the Toronto Stock Exchange's S&P/TSX composite index (.GSPTSE) was down 171.91 points, or 0.9%, at 19,005.27.
Yields on 10-year and 30-year <US30YT=RR > U.S. government bonds hit their highest since 2007, while the dollar climbed to a more than 10-month peak.
The only sector with minor gains was the communications sector (.GSPTTTS), which rose 0.2% in early market hours.
In corporate news, Lundin Mining (LUN.TO) shares dropped 4.7% as the company announced insider Jack Lundin would be the new chief executive officer.
Reporting by Khushi Singh in Bengaluru; Editing by Shweta AgarwalOur Standards: The Thomson Reuters Trust Principles.
Persons:
Lundin, Allan Small, Jack Lundin, Khushi Singh, Shweta Agarwal
Organizations:
U.S, Treasury, Toronto Stock, Allan Small Financial, Federal, Labor, Reuters, Lundin Mining, Thomson
Locations:
U.S, Bengaluru