Gilead Sciences, Inc. updated earnings guidance for the full year 2020. For the period, the company now expects product sales in the range of $24,300 - $24,350 compared to $23,000 - $23,500 as previously provided. GAAP Diluted Earnings (Loss) Per Share is now expected to be in the range of $(0.08) - $0.02 compared to $(0.25) - $0.10 as previously provided.