This Stock Just Doubled in 1 Day -- Is It Still a Buy?

We are still pretty early in the new year, but some companies are already delivering outsize returns to their shareholders. Akero Therapeutics (AKRO -2.31%)is part of this group. On Jan. 27, the company's shares soared by 97%, closing the day at $51.71. Unsurprisingly, Akero owes this incredible one-day gain to data from a midstage clinical trial. These results must have been impressive for the market to get that excited, but is Akero Therapeutics worth investing in at current levels?Targeting an area with ...