The company is doing great, and this year will likely be its best year in history, including in terms of growth. Capital-intensive investments in medical devices just tend to be concentrated towards the end of the year, so now we are just waiting, and some have better nerves than others.
As for the share price, a lot has happened, but that is just the stock market fulfilling its purpose—transferring money from the impatient to the patient. https://www.investopedia.com/how-this-powerful-warren-buffett-quote-can-help-you-save-more-in-an-age-of-instant-gratification-11876775