https://www.live-feeds.com/feed/why-corning-stock-is-having-its-worst-day-in-6-years-after-earningsContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/why-corning-stock-is-having-its-worst-day-in-6-years-after-earningshttps://www.live-feeds.com/feed/why-corning-stock-is-having-its-worst-day-in-6-years-after-earnings#u27012Thu, 30 Jul 2026 10:41:13 +0000Corning's stock is having its worst day in 6 years, falling 16% after the company's Q2 2026 earnings report. Despite beating earnings expectations, the stock declined due to guidance. The drop is also affecting other optical stocks. Corning's capacity limits and smartphone slump are weighing on its outlook.What's confirmed:Corning's Q2 2026 earnings beat expectations.The stock fell 16% after the earnings report.Corning's capacity limits and smartphone slump are affecting its outlook.