The new design, developed by China's army scientists, stacks two rail guns on top of one another in a single barrel to boost firepower.

Sensex down 200 pts, Nifty below 25,100; Axis Bank slips 4%, Wipro up 3% on Q1 beat Global uncertainty and a muted start to the earnings season are weighing on investor sentiment.

Elon Musk's newly launched AI chatbot, Grok 4, seemed to reference Musk's posts on social media before answering controversial questions.