T-Mobile US stock heads into the open after a 2.9 percent gain.

At the close on September 11, 2026, T-Mobile US stock finished up 2.9 percent on the Nasdaq. The move came as the Nasdaq 100 futures gauge pointed lower before the open, and T-Mobile executives discussed broadband growth at Citi's communications and infrastructure conference.

T-Mobile US stock closed at USD 0.00 on the Nasdaq on September 11, 2026, up 2.9 percent. The session came while Nasdaq 100 futures were down 1.3 percent before the open, and the stock's move was larger than the index cue.

September 11, 2026 in numbers

T-Mobile US Inc. (ISIN US8725901040) moved after executives discussed broadband, AI growth and a planned CFO retirement at Citi's communications and infrastructure conference, as MarketBeat reported on September 13, 2026. The stock closed up 2.9 percent on the Nasdaq, while Nasdaq 100 futures were down 1.3 percent in early trading.

Today, the company is on the earnings calendar for September 14, 2026, according to Yahoo Finance. That makes the next session closely watched for any company update tied to the event.

Today on September 14, 2026

Yahoo Finance lists T-Mobile US on its September 14, 2026 earnings calendar, which places the name on today's watchlist before the open. Nasdaq futures were lower in the same pre-market snapshot, adding a broader market cue for the session.