FingerMotion (FNGR) had the highest return between 2011 and 2020 by a US stock in the Telecommunication Services Industry Group, returning 80,420%.

ASSET	YEARS	% RETURN
FingerMotion (FNGR)	2011-2020	80,420%
Nuvve (NVVEW)	2011-2020	5,366.67%
Bandwidth (BAND)	2011-2020	629.68%
T-Mobile US (TMUS)	2011-2020	538.58%
Cogent Communications (CCOI)	2011-2020	479.72%
Shenandoah Telecommunications (SHEN)	2011-2020	423.14%
Iridium Communications (IRDM)	2011-2020	373.79%
Telus (TU)	2011-2020	177.64%
Verizon Communications (VZ)	2011-2020	157.48%
AT&T (T)	2011-2020	101.56%
BCE (BCE)	2011-2020	100.75%
Chunghwa Telecom (CHT)	2011-2020	96.92%
Telkom Indonesia (Persero) Tbk PT ADR Rep 100 B (TLK)	2011-2020	96.11%
Rogers Communications (RCI)	2011-2020	92.58%
SK Telecom Co Ltd ADR (SKM)	2011-2020	72.6%
Liberty Global PLC Class C (LBTYK)	2011-2020	62.73%
Liberty Global (LBTYA)	2011-2020	61.45%
Ast Spacemobile (ASTS)	2011-2020	39%
Liberty Global PLC Class B (LBTYB)	2011-2020	33.44%
Qwest Corp NT (CTBB)	2011-2020	33.15%
Qwest Corp 6 75 Notes Expiry 2057 (CTDD)	2011-2020	33.03%
ATN International (ATNI)	2011-2020	28.32%
AT&T (TBB)	2011-2020	28.08%
Ooma (OOMA)	2011-2020	19.01%
KORE (KORE)	2011-2020	1.09%