PREVIEW: T-Mobile climbs ahead of quarterly results, focus on subscriber growth

** T-Mobile TMUS.O shares rising 1.3% on Thurs ahead of qtrly results after the bell, with investors eyeing subscriber growth

** In January, TMUS forecast wireless subscriber growth that was double Wall Street estimates, lifted by strong demand for its premium 5G plans

** Analysts expect qtrly rev up 5.2% to $20.62 bln, with adjusted EPS seen at $2.46 vs $2.00 yr-ago, per LSEG

** TMUS stock has advanced about 19% YTD, outperforming Nasdaq .IXIC, which has fell 11%

** Stock recently traded at 23 times expected earnings, lower than its five-year avg forward PE of 31

** In past 30 days, six out of 28 analysts raised EPS estimates for qtr, while seven revised downwards, indicating mixed sentiment