Mumbai, Aug. 26 -- Domestic equity indices traded with substantial losses in the morning trade, weighed down by concerns over potential U.S. trade actions. Sentiment turned cautious after the United States issued a draft notice proposing tariffs of up to 50% on Indian goods, set to take effect from Wednesday.

The Nifty traded below the 24,800 level. Pharma shares declined after advancing in the past three consecutive trading session.

At 10:30 IST, the barometer index, the S&P BSE Sensex, declined 577.88 points or 0.71% to 81,058.03. The Nifty 50 index dropped 170.85 points or 0.69% to 24,797.15.

In the broader market, the S&P BSE Mid-Cap index slipped 0.77% and the S&P BSE Small-Cap index fell 0.94%.

The market breadth was weak. On th...