巴西电信股价创60日新高，光纤业务整合成行业趋势

Group 1 - The core viewpoint of the article highlights that Brazil Telecom (VIV.N) has reached a 60-day high in stock price, driven by expectations of global fiber demand growth and improvements in the company's fundamentals [1] - The stock price increased from $14.92 on February 6 to $15.86 on February 12, marking a cumulative rise of 6.30% over the week, with a maximum price of $16.47 on February 11 [2] - Competitor TIM has announced negotiations to repurchase 51% of the fiber business I-Systems, reflecting a trend of asset consolidation in the industry, similar to Brazil Telecom's strategy to regain its fiber joint venture by 2025 [1] Group 2 - The stock's performance has been strong, with a year-to-date increase of 33.73% and a 30.11% rise over the past 20 days, while the total market capitalization stands at $25.341 billion [2] - The telecommunications services sector has seen a 1.58% increase during the same period, while the broader Nasdaq index has declined by 1.51%, indicating the stock's relative independence in performance [2] - There is a potential cost increase due to Brazil's anti-dumping tax on Chinese fiber starting December 2025, which may impact future profitability [1]