U.S. chipmaking industry pushes back on proposed export rule changes

(Reuters) - Industry groups are pushing back on proposed changes to U.S. export controls that would impact the sale of certain semiconductors and other technology to China, while highlighting the role chips play in addressing the COVID-19 pandemic.In a letter sent on Monday, nine groups urged U.S. Commerce Secretary Wilbur Ross to allow public comment before putting the rules into effect to avoid unintended consequences.The changes may "result in significant impacts to the semiconductor..