Stay informed with the top movers within the S&P500 index on Thursday.
By Mill Chart
Last update: Dec 18, 2025
Uncover the latest developments among S&P500 stocks in today's session. Stay tuned to the S&P500 index's top gainers and losers on Thursday.
Today's top gainers
| Ticker | Change | Comment |
|---|---|---|
| MU | 12.08% | MICRON TECHNOLOGY INC (NASDAQ:MU) witnessed a notable 12.08% uptick in its shares, reaching $252.76 during Thursday's session. A press release (Micron Technology, Inc. Reports Results for the First Quarter of Fiscal 2026) was released yesterday. |
| WDC | 6.37% | WESTERN DIGITAL CORP's (NASDAQ:WDC) stock price displayed strong growth, advancing 6.37% and reaching $176.84 during Thursday's session. In the last 3 months the stock gained 55.92%. |
| LULU | 6.19% | LULULEMON ATHLETICA INC's (NASDAQ:LULU) stock price is advancing with 6.19% to a price of $220.73. A press release (lululemon to Expand International Presence in 2026 with Stores to Open in Six New Markets) was released earlier today. |
| CEG | 5.53% | CONSTELLATION ENERGY's (NASDAQ:CEG) shares rose 5.53% to $359.83 during Thursday's session. Two days ago the company had a press release: NRC Renews Operating Licenses for Clinton & Dresden; Constellation Investing $370 Million in State-of-the-Art Upgrades to Keep These Illinois Nuclear Facilities Online, Meet Rising Power Demand and Support Economic Growth. |
| LRCX | 5.19% | LAM RESEARCH CORP's (NASDAQ:LRCX) shares rose 5.19% to $163.03 during Thursday's session. The stock is trading 22.11% higher than 3 months ago. |
| APP | 5.17% | With a 5.17% surge, APPLOVIN CORP-CLASS A's (NASDAQ:APP) stock price reached $691.11 during Thursday's session, signaling positive momentum. Shareholders saw the stock price going 24.93% higher in the past month. |
| STX | 5.09% | SEAGATE TECHNOLOGY HOLDINGS's (NASDAQ:STX) shares rose 5.09% to $291.78 during Thursday's session. Shareholders saw the stock price going 25.5% higher in the past 3 months. |
| SBUX | 5.07% | Exciting news for STARBUCKS CORP (NASDAQ:SBUX) as its stock price surged 5.07% to $89.53 during Thursday's session. |
| MRNA | 4.67% | With a 4.67% surge, MODERNA INC's (NASDAQ:MRNA) stock price reached $31.93 during Thursday's session, signaling positive momentum. Earlier today the company had a press release: CEPI to Fund Pivotal Phase 3 Trial for Moderna's mRNA Pandemic Influenza Vaccine Candidate. |
| SNDK | 4.46% | SANDISK CORP's (NASDAQ:SNDK) shares rose 4.46% to $216.05 during Thursday's session. The stock is trading 102.0% higher than 3 months ago. |
Our top gainers page will show you the full list.
Losers
| Ticker | Change | Comment |
|---|---|---|
| FDS | -7.65% | The market experienced a 7.65% downturn in FACTSET RESEARCH SYSTEMS INC's (NYSE:FDS) stock price, closing at $273.49 during Thursday's session. yesterday the company released their earnings. In the last 6 months the stock lost 29.88%. |
| GNRC | -4.57% | The market experienced a downward movement in GENERAC HOLDINGS INC's (NYSE:GNRC) stock price, closing at $138.2 with a 4.57% decrease during Thursday's session. In the last 3 months the stock lost 20.55%. |
| HPQ | -3.85% | HP INC's (NYSE:HPQ) stock price decreased by 3.85% to $23.49. The stock is trading 25.83% lower than a year ago. |
| MPC | -3.12% | MARATHON PETROLEUM CORP's (NYSE:MPC) shares fell 3.12% to $169.06 during Thursday's session. In the last year the stock gained 30.83%. |
| DELL | -3.07% | DELL TECHNOLOGIES -C's (NYSE:DELL) shares fell 3.07% to $123.96. |
| FANG | -2.96% | Investors witnessed a 2.96% decrease in DIAMONDBACK ENERGY INC's (NASDAQ:FANG) stock price, which closed at $149.51 during Thursday's session. |
| LEN | -2.75% | During Thursday's session, LENNAR CORP-A's (NYSE:LEN) shares took a tumble, falling 2.75% to $109.14. A press release (Lennar Reports Fourth Quarter and Fiscal 2025 Results) was released two days ago. |
| CL | -2.65% | COLGATE-PALMOLIVE CO (NYSE:CL) encountered a 2.65% decrease in its shares, reaching $77.62 during Thursday's session. |
| COP | -2.61% | CONOCOPHILLIPS's (NYSE:COP) shares fell 2.61% to $92.48 during Thursday's session. |
For the full top loser list go to our top losers page.
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714.23
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208.97
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104.9
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85.08
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286.22
+0.95 (+0.33%)
181.54
+1.98 (+1.1%)
23.26
+0.1 (+0.43%)
292.13
+2.04 (+0.7%)
129.24
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178.07
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284.79
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250.05
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140.56
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163.69
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146.31
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31.2
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360.46
-3.49 (-0.96%)
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