April 15 (UPI) -- Once known for its sustainable shoes made from natural materials, Allbirds made a surprise announcement on Wednesday -- it's switching from footwear to artificial intelligence computing. The company's stock leapt more than 700% on the announcement, jumping from less than $3 to more than $17. The company, which is changing its name to NewBird AI, said in a press release that it has a $50 million deal with an unnamed investor, with which it will obtain "high-performance GPU