The latest data point for AMAT's Return on Sales (ROS) in Q1'26 stands at 34.2%, reflecting a marginal decline of 0.2 percentage points from the previous quarter's 34.4% and indicating a slight softening in profitability margins amid ongoing market dynamics. Over the period from Q2'23 to Q1'26, ROS exhibits an overall upward trend, rising from 27.7% to a peak of 36.0% in Q3'25, driven by consistent quarterly improvements in the earlier phases that suggest enhanced operational efficiency. However, the trajectory shows volatility with a notable dip to 27.8% in Q4'24 before recovering, highlighting periods of margin pressure possibly linked to sector-specific challenges in the semiconductor industry, though the long-term pattern remains positive with an average annual growth of approximately 3 percentage points.