--- title: "U.S. stock night trading volatility: Stryker fell 6.65% in after-hours trading, exceeding performance expectations but lowering guidance, market confidence shaken" type: "News" locale: "en" url: "https://longbridge.com/en/news/294437773.md" description: "Stryker fell 6.65% in after-hours trading; Zimmer Biomet fell 2.55% in after-hours trading, with a transaction volume of USD 960,000; Globus Medical fell 0.70% in after-hours trading, with a transaction volume of USD 582,300; Intuitive Surgical rose 0.01% in after-hours trading, with a transaction volume of USD 188,300" datetime: "2026-07-31T01:37:13.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/294437773.md) - [en](https://longbridge.com/en/news/294437773.md) - [zh-HK](https://longbridge.com/zh-HK/news/294437773.md) --- # U.S. stock night trading volatility: Stryker fell 6.65% in after-hours trading, exceeding performance expectations but lowering guidance, market confidence shaken **U.S. Stock Market After-Hours Movements** Stryker fell 6.65% in after-hours trading. Based on recent key news: 1. On July 31, Stryker released its second-quarter earnings report. Despite exceeding expectations, the stock price fell about 8% in after-hours trading. The company narrowed its organic sales growth forecast for 2026 from 8%-9.5% to 8.3%-9.3% and adjusted its non-GAAP earnings per share guidance to $14.95-$15.10. This move raised market concerns about future growth, leading to a decline in stock price. Source: SEC announcement 2. On July 31, Stryker's sales in the medical surgery and neurotechnology divisions grew 9.7% to $3.6 billion but fell short of analysts' expectations of $3.72 billion. Although overall revenue exceeded expectations, some business segments underperformed, affecting market confidence. Source: LSEG data 3. On July 31, market analysis showed that although Stryker was rated as "moderate buy," top analysts were more optimistic about five other stocks. This rating information may impact investor confidence in Stryker. Source: MarketBeat The healthcare sector's weight in the S&P 500 has declined. **Stocks with High Trading Volume in the Industry** Zimmer Biomet fell 2.55% in after-hours trading. Based on recent key news: 1. On July 29, Zimmer Biomet's thoracic fixation business could bring nearly $2 billion in additional sales opportunities in sternotomy procedures, with its iodine implants potentially increasing the group's operating profit by 7% to 8%. This news boosted market expectations for the company's future growth, but the stock price still experienced volatility in the short term. 2. On July 28, market analysts adjusted ratings for several companies, including a buy rating for CrowdStrike Holdings and a hold rating for H&R Block. Although these ratings are not directly related to Zimmer Biomet, changes in overall market sentiment may indirectly affect its stock price. The U.S. stock market has seen increased volatility recently, necessitating attention to risks. Globus Medical fell 0.70% in after-hours trading. Globus Medical fell 0.70% in after-hours trading. There has been no significant news recently; trading is active, and capital flows are evident. Considering sector and industry trends, the stock shows significant volatility, and specific reasons need further observation. no\_news Intuitive Surgical rose 0.01% in after-hours trading. Based on recent key news: 1. On July 28, UBS initiated coverage on Intuitive Surgical with a "buy" rating and a target price of $500. UBS is optimistic about the company's growth potential in automation and new surgical fields, driving the stock price up by 3.79%. 2. On July 29, Intuitive Surgical released a strong second-quarter earnings report. Although revenue and earnings per share exceeded expectations, the stock price fell due to a slowdown in the growth of the da Vinci surgical system in the U.S 3. From July 27 to 29, company executive Mark Brosius sold 84 shares of common stock at a sale price between $344 and $365.58, which may exert short-term pressure on the stock price. The medical technology sector has performed strongly recently, with significant capital inflows ### Related Stocks - [SYK.US](https://longbridge.com/en/quote/SYK.US.md) - [ZBH.US](https://longbridge.com/en/quote/ZBH.US.md) - [GMED.US](https://longbridge.com/en/quote/GMED.US.md) - [ISRG.US](https://longbridge.com/en/quote/ISRG.US.md) ## Related News & Research - [15,653 Shares in Stryker Corporation $SYK Bought by First Nebraska Trust Co](https://longbridge.com/en/news/294600116.md) - [Stryker (NYSE:SYK) Announces Quarterly Earnings Results](https://longbridge.com/en/news/294418968.md) - [Stryker Corp. 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