Keith Lance Investment Overview I last covered Tandem Diabetes Care (NASDAQ:TNDM) in a note for Seeking Alpha back in November 2020, when the automated insulin pump solutions provider's stock price traded at ~$115. I gave the stock a "Buy" recommendation, which initially proved to be the right call, as 12 months on, it had reached a high of $150 per share. In 2020, Tandem delivered revenues of $499m, and an operating loss of $(8m). In 2021, revenues grew to $703m, and a small operating profit of $23m was ac ...