Shares of this digital medical platform were up more than 100% at one point. Here's what's driving it

Doximity at the New York Stock Exchange for its initial public offering on June 24, 2021.Source: NYSEShares of medical platform Doximity more than doubled at one point in premarket trading Friday after some bold comments on the margin for its new AI search tool.CEO Jeffrey Tangney said the product brings in 10 times what it costs to run."It's early days on our AI search product, but I can tell you we're earning more than 10 times per search in revenue than it costs," he said on Thursday during the company's first-quarter fiscal 2027 earnings call."Over time, we probably expect the overall AI cost, if anything, [to] go down as models get more efficient, so we feel good about the unit economics there," Tangney added.Doximity shares were up more than 130% in premarket trading before settling down a bit. The shares were last up 78%.Stock Chart IconStock chart iconDoximity, 1 dayAnalysts think these spectacular returns are not yet baked into the company's already solid financials. Doximity reported first-quarter revenues of $156.6 million and adjusted EBITDA of $74.8 million, both of which were above consensus estimates.The company also raised its full year revenue guidance range up by ...