Shares of T-Mobile US Inc. TMUS, +0.65% were halted early in the extended session Monday due to Nasdaq requiring additional information from the company.
The reasons behind the request were not immediately clear. Shares of T-Mobile ended the regular Monday session up 0.7% and so far this year the stock has gained 35%, which contrasts with losses of 7% for the Dow Jones Industrial Average DJIA, +0.43% and compares with gains around 0.3% for the S&P 500 index SPX, +0.74%.
T-Mobile is expected to report second-quarter earnings next week; analysts polled by FactSet call for adjusted earnings of $1.18 a share on sales of $692 million, compared with sales of $1.75 billion in the year-ago quarter. Rival Verizon Communications Inc. VZ, +0.03% on Friday reported better-than-expected earnings.