BioNTech SE (BNTX) shares gained 6.50% today (2023-08-21). Is it the right time to buy?

What’s happening at BioNTech SE (NasdaqGS:BNTX)? What made the stock one of the top performing stock today? The company is indeed among the top gainers of the stock market, skyrocketing 6.50% (or 7.17 points) to $117.53 from its previous close of $110.36. So is it the right moment to buy?
Read more: BioNTech SE (BNTX) shares gained 6.50% today (2023-08-21). Is it the right time to buy?