Washington/New Delhi, Sept. 22 -- Airfares to the US surged and major technology companies issued emergency travel advisories on Saturday as thousands of Indian H-1B visa holders made last-minute change of plans -- some deciding to rush back while other abandoned plans to travel back home for festivals -- even as American officials later clarified that existing foreign workers will not be slapped with a prohibitive $100,000 fee, The panic followed President Donald Trump's surprise announcement of a $100,000 annual H-1B visa fee: "Entry into the US of aliens as non-immigrants to perform services in a specialty occupation" would be restricted "except for those whose petitions are accompanied or supplemented by a payment of $100,000."...