Intuitive Surgical Slides as Tariff Fears and Insider Selling Push Volume to 137th Rank

On September 9, 2025, , , , . The stock faced renewed pressure amid escalating concerns over potential U.S. tariff adjustments and a series of insider selling events. Multiple executives and board members, including co-founder and Director , liquidated significant portions of their holdings, signaling caution among key stakeholders. Analysts highlighted that management has indicated plans to offset tariff-related margin pressures through price increases on its , though this has yet to fully reassure investors.

The company’s recent presentation at the Wells Fargo Healthcare Conference failed to generate positive momentum, with shares falling further afterward. Meanwhile, sentiment remains mixed, . However, the CFO’s warning about a “dynamic tariffs environment” has intensified uncertainty, particularly as potential 2026 tariff changes loom. also displayed divergent actions, with some trimming positions while others added to stakes, reflecting ongoing debate over the stock’s medium-term prospects.

To carry out this back-test rigorously, additional clarification is required regarding the investment universe, rebalance mechanics, weighting schemes, and data limitations. The methodology must specify whether the strategy applies to U.S. listed stocks, ETFs, or a subset like the S&P 500. Further details on holding periods, entry/exit timing, and allocation rules are necessary to ensure accurate emulation of the 500-stock basket. Please provide guidance on these parameters to finalize the retrieval plan and proceed with the back-test execution.