· Volume surge · ISRG

Intuitive Surgical (ISRG) selloff lands on heavy weekly volume

The robotic-surgery name is drawing active-mover attention after a steep weekly reset in a large-cap healthcare stock.

Weekly market chart context for Intuitive Surgical with surgical robotics imagery.

Intuitive Surgical Inc (ISRG) closed at 345.42 USD for the week ended July 17, 2026, down -15.1% over one week and -15.1% over four weeks, according to weekly market data.

Trading activity confirmed the pressure: volume reached 28.9 million shares, about 2.2 times its 13-week average. The trend signal is inactive, while Market Dynamics at -0.54 and Relative Strength at -36.0 point to continued weakness rather than a clean rebound.

The weekly price path over 52 weeks places the latest decline inside a broader twelve-week drawdown of -28.4%, keeping the move significant even for a company with a market value near $148.2 billion.