Perplexity AI said it had made a US$34.5 billion unsolicited all-cash offer for Alphabet’s Chrome browser, a low but bold bid that would need financing well above the start-up’s own valuation. Run by Aravind Srinivas, Perplexity is no stranger to headline-grabbing offers – it made a similar one for TikTok US in January, offering to merge with the popular short-video app to resolve US concerns about TikTok’s Chinese ownership. Buying Chrome would allow the start-up to tap the browser’s more than...