The stock closed at Rs 65.50, up 2.50 per cent on BSE. Intra-day, it jumped 4.14 per cent to Rs 66.55.
The company added Rs 96.4 crore to Rs 3,926.40 crore in its market valuation.
On the volume front, 65.16 lakh shares of the company were traded on BSE during the day.
With the earlier order for 55 planes and additional 100 new 737-8 MAX aircraft, the no-frills carrier now has firmed up order for a total of 155 planes, besides purchase rights for 50 B737-8 MAX and wide-body aircraft.
"This is one of the largest deals in Indian aviation and the largest for SpiceJet," Singh said.