India, Sept. 26 -- India's stock market fell to a three-week low today in the steepest weekly drop in nearly seven months, on persistent headwinds emerging from US President Donald Trump's "America First" policy.

The Nifty 50 fell 0.95% to 24,654.7 points, while the BSE Sensex dropped 0.9% to 80,426.46. Both indexes lost 2.7% for the week. All 16 major sectors ended lower, with Nifty IT and Nifty Pharma hit the hardest on concerns over their US exposure.

Here are 10 points explaining why stock market was down today:

1. Benchmarks tumble: The Nifty 50 dropped 0.95% to 24,654.7, while the Sensex shed 0.9% to 80,426.46, marking their lowest close in three weeks.

2. Steep weekly loss: Both indices fell 2.7% for the week-their sharpest wee...