BioNTech SE (BNTX) shares gained 5.35% today (2023-08-22). 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 5.35% (or 6.29 points) to $123.82 from its previous close of $117.53. So is it the right moment to buy?
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