"Intuitive Surgical, Inc. (NASDAQ:ISRG): ISRG shares were our top contributor for the quarter on better-than-expected results and improved company guidance. Procedures grew 20%, and the company placed 305 da Vinci Surgical Systems, also beating estimates, growing its installed base to 7,364 systems. Instruments and accessories revenue grew 15%, and systems revenue grew 3%, driving 11% total revenue growth to $1.6 billion.