Century Aluminum (CENX) is down about 3.77% on April 14, 2026, primarily due to a cooling-off move after a sharp early-April rally tied to the U.S. 50% steel/aluminum tariff backdrop and excitement around Century’s Oklahoma smelter development plans with Emirates Global Aluminium. With no fresh Century-specific press release or major new corporate update surfacing today, trading appears driven by short-term positioning, profit-taking, and elevated volatility around aluminum-linked equities. (ainvest.com)

CENX has been reacting strongly in recent sessions to a mix of macro and company catalysts, including policy-driven support for U.S. producers and renewed investor focus on domestic capacity expansion. Century highlighted the Oklahoma smelter development agreement and other strategic actions in its recent results materials, which helped set up the latest surge and makes the stock susceptible to fast reversals when momentum traders de-risk. (cdn.prod.nntech.io)

Aluminum prices have been swinging on geopolitics and supply-risk headlines, with recent reporting pointing to multi-year highs and tightness signals in parts of the market. That kind of tape can push aluminum producers up sharply on risk-on days—and then drag them lower just as quickly when equities rotate, even if the commodity tape remains strong. (energynews.oedigital.com)

Investors are likely to focus on (1) any incremental details on the Oklahoma smelter timeline, costs, and power arrangements, (2) execution milestones tied to Century’s U.S. operating footprint and restart plans, and (3) the next earnings event as a volatility catalyst. Market schedules indicate Century’s next report is expected May 6, 2026 (after close). (tipranks.com)