... with the market performance of the S&P BSE 100. An event study was conducted to analyze the normal return, abnormal return (A.R.), and t-statistics of A.R. for various sectoral stocks. In addition, the abnormal returns of sectoral stocks between the first and second waves of COVID-19 in India were compared...

..., by industry type, which has so far escaped the attention of researchers. Design/methodology/approach First, standard event study methodology has been used to measure the abnormal gains/losses of the announcing firms for the new product introductions. Second, regression analysis has been conducted to find...