Open this photo in gallery: Television graphics are seen in the window of Nasdaq headquarters in Times Square in New York, as Nasdaq fell nearly 4 per cent on Jan. 27.BRYAN R. SMITH/AFP/Getty Images Kean Birch is the director of the Institute for Technoscience & Society and the Ontario research chair in science policy at York University. Stock markets have been taking a bit of a pummelling, all because a Chinese company, DeepSeek, released a generative AI model it said it had developed at a fraction of the cost U.S. businesses are spending to develop their own models. DeepSeek even…