Unitech Fell by 27 % +in 1 hour and recovered by 29.7 % + in same trading session

Unitech Fell by 27 %  +in 1 hour and recovered by 29.7 % +in same trading session
low 46.15  high 63.50 ...intraday chart of Unitech
63.50 - 27 % =46.35
46.15 +29.7 %=  59.85