是德科技：美股周三早盘股价大跌，上调预期未能提振

Group 1 - The core point of the article is that Keysight Technologies (KEYS) experienced a significant stock price drop of 6.3% despite raising its full-year revenue and earnings per share growth forecasts to 7% and 13% respectively [1] Group 2 - Keysight Technologies raised its full-year revenue growth forecast to 7% [1] - The company also increased its earnings per share growth expectation to 13% [1] - The stock price decline occurred in the early trading session on Wednesday [1]