This technology company's earnings served notice that its overall end markets are bottoming.Test and measurement technology company Keysight Technologies (KEYS -2.01%) stock is up a whopping 14.3% in the week to Friday morning. The move comes as the market warmed to its third-quarter earnings released earlier in the week.Keysight Technologies' third quarterIt's not that its year-over-year core revenue growth or core orders growth turned positive (down 13% and 1%, respectively), and it's not that management ...