 Among those benefiting from CrowdStrike's woes, rivals like Palo Alto Networks, whose stock is up more than 2%, and SentinelOne, up 5.5%. Intuitive Surgical leading the S&P 500 with a 7% gain following better-than-expected earnings. It's seeing a sharp increase in procedures that utilize its DaVinci Robotic surgical device. Peter Schachnow, CNBC.