Why is ISRG down?
Down 4.2% on a down day: the S&P 500 is down 4.1% and 9 in 10 stocks are lower; health care stocks are down 5.2%; fertilizer stocks and insurer stocks rose.
Rose on Nov 4
Up 9% on Nov 4, a up day for the market: the S&P 500 rose 2% and 71% of stocks rose.
- Intuitive Surgical rose 9% that day while robotics stocks were flat: