Keysight Technologies (NYSE:KEYS) reported Q4 earnings of $1.99 per share, surpassing estimates of $1.87, despite a 7.01% decrease from the previous year. Revenue was $1.31 billion, slightly above the $1.30 billion estimate but down 9.22% from last year. The company's cash flow from operations was $378 million, and free cash flow remained steady at $340 million. KEYS provided Q1 guidance with earnings between $1.53 and $1.59 per share, below the $1.67 estimate, and revenue projections between $1.235 billion and $1.255 billion, around the $1.24 billion estimate. After the report, KEYS shares rose 1.67% to $137.21 in after-hours trading.