The 30-share BSE index Sensex opened on a positive note and zoomed 755 points in the early trade. The initial trends of the Lok Sabha election results showed BJP-led NDA leading in 281 constituencies.
At 10.35 am, the Sensex soared 1010 points and crossed the psychological 40,000 mark. The broader index Nifty also touched the 12,000 mark.
Here's how the Sensex moved through the day as the NDA leading trends were registered.