A trader watches a monitor while working on the floor of the New York Stock Exchange in New York, U.S. (Photographer: Jin Lee/Bloomberg News)

Stocks To Watch: Bharti Airtel, Coal India, IDBI Bank, ONGC, Glenmark Pharma

Stocks and Treasury yields fell after President Donald Trump opened a new front in the trade war, threatening to place escalating import tariffs on Mexico in an effort to curb illegal immigration.F...