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TIM S.A. Q4: Good Results, But I Don't Recommend Buying [Seeking Alpha]

TIM S.A. American Depositary Shares (Each representing 5 Common Shares)  (TIMB) 
PDF Despite operational efficiency and the highest ARPU in the sector, TIMB's stagnant customer base and heavy reliance on mobile plans present long-term growth risks. I [Read more]