Keysight's recent quarterly report arrived with some positive surprises.Keysight Technologies (KEYS 12.65%) stock is making big gains in Wednesday's trading. The company's share price was up 12.8% as of 3 p.m. ET, according to data from S&P Global Market Intelligence.After the market closed yesterday, Keysight published results for the third quarter of its current fiscal year -- a period that ended July 31. The business delivered sales and earnings that came in significantly above Wall Street's expectations ...