German industrial giant Bosch plans to invest €3 billion ($3 billion) in its semiconductor business by 2026. “We are arming ourselves in the interest of our customers for an undiminished growth in chip demand. For us, there is big business in the smallest components,” Stefan Hartung, chairman of the Bosch board of management, said in Dresden on Wednesday. New semiconductor development centres are to be built in the cities Reutlingen and Dresden at a combined cost of more than €170 million. No figures were given on the share of subsidies in the investment sum. Hartung emphasized that all chip f…