Prime Minister Narendra Modi launched a charm offensive for global investors at India’s top chip-industry event, drawing pledges from US firms Applied Materials Inc. and Lam Research Corp. for billions of dollars in outlays.

Flipkart-owned digital payments platform Super.money is rolling out artificial intelligence agents that can autonomously shop for products and buy gold, betting that the technology can help it stand out from larger rivals.

Amazon.com Inc. is multiplying the Indian cities and towns covered by its Amazon Now quick deliveries, an aggressive move by Andy Jassy during his initial trip to India as chief executive to take on local leaders in a key growth market.