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Business · Stock markets · published 2026-09-24 · via Chartmill

S&P 500's Biggest Movers: Charles River Labs and GoDaddy Surge

Image via Chartmill
Image via Chartmill

Charles River Laboratories jumped 6.78% after presenting a refreshed strategic vision at its investor day, while GoDaddy rose 5.27% following a securities class action notice. On the downside, First Solar fell 10.08% and MGM Resorts dropped 10.48% in Thursday's trading. The moves reflect a mix of earnings news and sector sentiment.

Expanded Detail

Charles River Laboratories advanced 6.78% to $296.14 after executives presented a refreshed growth strategy at the company's investor day, emphasizing profitable expansion and long-term shareholder value. GoDaddy climbed 5.27% to $101.45 following the release of a securities class action alert. Additional gainers included Moderna at $190.34, Meta Platforms at $776.93, and Agilent Technologies at $172.58.

MGM Resorts suffered the session's steepest decline, falling 11.06% to $33.66 after its board confirmed plans to proceed as a standalone company. First Solar dropped 9.53% to $173.68, while Gen Digital slipped 9.23% to $23.81 despite strong six-month performance. Rollins declined 6.63% to $30.34. The moves came with roughly one hour remaining before Thursday's closing bell.

Context

These daily fluctuations may ripple through retirement accounts and index funds that track the S&P 500, affecting millions of passive investors. Sharp drops in solar and gaming stocks could signal shifting sector confidence, while strength in biotech and tech suggests continued appetite for innovation-driven growth. Corporate announcements, from strategy overhauls to legal notices, appear to be driving much of the movement, underscoring how quickly sentiment can shift in today's market.

Expanded detail and Context are AI-generated analysis; the linked article remains the authoritative source.
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