Why is market down today: Sensex, Nifty fall in Monday trade - Top 3 factors behind plunge
BSE moved higher with September 28 in focus.
28 Sept 2026 · LiveMint Markets
On September 28, Nifty 50 and Sensex opened lower as investors grew cautious after the longest weekly losing streak since 2020. Crude oil prices rose, adding pressure, with Nifty dropping 0.33% to 23,064.90 and Sensex down 0.22% to 73,734.83 at 9:15 AM IST.
Key facts
- Dates in focus
- September 28
The analysis
BSE reported movement of 0.33% and 0.22%. Those are the figures as filed — what moves the price is how they sit against what the market already expected, not their absolute size.
This is an Input cost / crude event. India imports most of its crude, so input costs pass through to margins downstream and to the rupee. Producers and consumers of the same input move in opposite directions.
Because the driver here is macro rather than company-specific, the read-through is to index-level positioning rather than to any single name — correlations tend to rise when the whole market faces the same signal.
Why it matters
- With BSE involved, this carries a regulatory dimension that can outlast the immediate market reaction.
Market context
- This is a market-wide development — its reach goes beyond any single stock.
- The immediate tone of coverage reads negative.