Shares of BLS International Services, a tourism sector play, have delivered a whopping 4,721% returns since March 23, 2020, the day when India went into complete lockdown. From the low of Rs 8 on that day to now (Rs 380) its journey has been out of the ordinary. A dozen other stocks have given returns between 1,222% and 122% in this period, indicating the kind of investor interest this sector has generated.