India, Feb. 2 -- Indian shares look set for extreme volatility on Monday as investors fret about the possible impact of U.S. tariffs on global growth.

Soon after U.S. President Donald Trump on Saturday followed through with his threats to impose stiff tariffs on Mexico, Canada and China, Mexican President Claudia Sheinbaum said her country would impose retaliatory tariffs.

Outgoing Canadian Prime Minister Justin Trudeau announced "far-reaching" retaliatory levies and China said it would "take corresponding countermeasures," instigating a trade war that's set to reshape global supply chains.

Closer home, benchmark indexes Sensex and Nifty ended flat amid high volatility on Saturday after Finance Minister Nirmala Sitharaman's Budget speech...