NEW YORK — S&P Global Inc. (NYSE: SPGI) shares finished Thursday, Dec. 18, 2025 at $506.71, down $3.88 (-0.76%) on the regular session, and edged lower to about $505.89 (-0.16%) in after-hours trading. Yahoo Finance That weaker close came on a day when the broader market moved the other way: the S&P 500 rose 0.8% after a softer inflation print revived rate-cut expectations for 2026. AP News For investors looking at SPGI “after the bell” and positioning ahead of Friday, Dec. 19, the setup is straightforward: SPGI itself didn’t drop on a single company headline, but rate-sensitive capital-markets narratives are

Western Digital Corporation (NASDAQ: WDC) ended Thursday, December 18, 2025, with a sharp rally that extended—modestly—into after-hours trading, keeping the AI-infrastructure “storage trade” firmly in the spotlight heading into Friday’s session. By the closing bell, WDC finished at $175.01, up 5.26%, after trading in a wide range between $174.43 and $181.49 on heavy volume (about 9.15 million shares). Investing.comAfter the close, shares ticked higher to roughly $176.30 (+0.74%) in late evening trading, with after-hours volume reported near 944.8K shares. MarketWatch The big question for investors now: was Thursday’s move a one-day sympathy surge—or another leg in a broader, catalyst-driven run

PepsiCo, Inc. (NASDAQ: PEP) finished Thursday’s session modestly lower even as the broader market rallied on softer-than-expected inflation data—leaving investors heading into Friday’s open focused on a familiar mix of catalysts: Wall Street’s latest price-target moves, PepsiCo’s newly outlined 2026 plan under activist pressure, and fresh legal headlines that could linger as an overhang. Below is what happened in Thursday’s trade (Dec. 18, 2025), what moved the story after the bell, and what matters most before U.S. markets open on Friday (Dec. 19, 2025). PepsiCo stock price after the bell: where PEP stands tonight PepsiCo shares closed at $149.37 on