New Delhi, March 8 -- As fast-paced changes reshape global retailers, carmakers and banks, these companies are spending more time and money on digital technologies to ensure that they don't face annihilation because of disruptive innovation. The increased spending has led to windfall business opportunities for information technology (IT) companies such as Tata Consultancy Services Ltd (TCS) and Capgemini SE, which say that such structural changes in client industries are gradually leading to decoupling of technology spending from economic growth. While France's Capgemini and HCL Technologies Ltd, India's third-largest IT services company, claim that tech spending has more or less completely delinked from economic growth, TCS maintains that ...