Key Takeaways GILD stock has surged 27.2% in six months, outpacing its industry, sector, and the S&P 500 index. FDA approval of Yeztugo, the first twice-yearly PrEP, strengthens GILD's HIV portfolio and market edge. New liver drug Livdelzi and rising earnings estimates support GILD's growth and dividend sustainability.Shares of Gilead Sciences, Inc. (GILD) have gained 27.2% in the past six months against the industry’s decline of 2.2%. The stock has also outperformed the sector and the S&P 500 index in th ...