Seema Mody is anchor of CNBC's Worldwide Exchange, having recently moved to the UK from CNBC US. She joined CNBC in July 2011 as a reporter focusing on market-moving stories that impact Wall Street.

"Everything is on the table," Ng told global markets reporter Seema Mody on CNBC's "Squawk on the Street." This includes dollar-to-dollar retaliation. Canada's trade chief also refused to rule out ...