ImmunoGen, Inc. (IMGN) shares gained 5.22% today (2023-08-14). Is it the right time to buy?

What’s happening at ImmunoGen, Inc. (NasdaqGS:IMGN)? What made the stock one of the top performing stock today? The company is indeed among the top gainers of the stock market, skyrocketing 5.22% (or 0.75 points) to $15.12 from its previous close of $14.37. So is it the right moment to buy?
Read more: ImmunoGen, Inc. (IMGN) shares gained 5.22% today (2023-08-14). Is it the right time to buy?