The Sensex plunged 181 points to end at an over three-week low on concerns over trade deficit that widened to an almost 3-year high.
Disappointing quarterly earnings by some blue-chip companies made investors disheartened.
The Sensex opened higher at 32,944.94, but soon turned negative before settling at 32,760.44, down 181.43 points, or 0.55 per cent. The gauge had lost 372.69 points in the previous two sessions.
Traders said sentiment suffered a jolt as the country's exports entered negative terrain after over an year, contracting 1.12 per cent in October.
Trade deficit widened to almost a 3-year high of USD 14 billion last month as imports surged.
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