Advantest has been ranked the top global assembly and test equipment supplier in the 2026 TechInsights Customer Satisfaction Survey. This is the seventh consecutive year the company has taken the number one spot, with strong scores across several key product and service categories. For investors watching TSE:6857, the latest survey result underlines how closely Advantest is tied to major semiconductor customers. The stock is trading at ¥26,360.0, with a very large 1 year gain and a return...