Telstra Corporation Ltd ( ASX: TLS ) shares have gained ground this year, increasing 32% to $3.66 from $2.77 in January. The telecommunications provider is currently yielding 2.73% and has a price-to-earnings ratio of 20.22. Investors have re-embraced Telstra in 2019, despite ongoing dividend cuts. Costs associated with the roll out of the NBN have slashed profits, however 2019 may mark a turning point for Telstra. The company is a year into its 'T22' cost cutting and restructuring program and investing heavily in the rollout of 5G technology which brings exciting possibilities.