Pop quiz: name a company that doubled its earnings during the pandemic but now trades more cheaply than it did at the start of 2020, even as sales hit new records.

If you didn’t say Thermo Fisher Scientific (ticker: TMO), it may be because you forgot about this Covid beneficiary. Or because you never knew its name at all, even though its products help researchers create new drugs and tests that save lives. In either case, it’s worth getting to know now.