Southern Copper stock closes after the bell lower on the NYSE

At the close on September 21, 2026, Southern Copper stock closed at USD 195.70 on the New York Stock Exchange, down 0.21 percent. The shares lagged the CPER copper fund by about 1.65 percentage points, and Reuters said the broader market rose as AI stocks and falling yields lifted Wall Street.

Southern Copper stock closed at USD 195.70 on the New York Stock Exchange on September 21, 2026, down 0.21 percent from the prior session. Southern Copper Corporation (ISIN US84265V1052, NYSE: SCCO) traded between USD 195.70 and USD 195.70 in the session, with the close sitting just under the round USD 200 level.

Close below USD 200 on the NYSE

As ad hoc news reported in its September 21, 2026 closing note, the stock lagged the copper-tracking CPER fund, which rose 1.44 percent to USD 40.23, by about 1.65 percentage points. The same report said peers such as Freeport-McMoRan advanced 0.97 percent, while Southern Copper eased modestly.

Reuters reported that the S&P 500 rose 1.44 percent and the Nasdaq gained 2.13 percent on Monday as AI-heavy shares led a broad rally. Southern Copper closed below that market tone and finished 0.21 percent lower on the day.

After the bell today

Reuters said Wall Street futures and cash equities were still moving on AI strength and lower Treasury yields, but no company-specific after-hours release was visible in the material reviewed for Southern Copper. The next trading day is September 22, 2026, when the stock will reopen with the market's overnight read on copper and the broader sector backdrop.