CenturyLink Leaves Its Telecom Peers in the Dust When there are just three stocks in a sector, anyone has the potential to move the entire group. That’s the case with telecommunications today, which is the S&P 500’s best performer thanks to CenturyLink’s (CTL) earnings. As a reminder, there are just three stocks in the S&P 500 Telecommunications Services Index: AT&T (T), Verizon Communications (VZ), and CenturyLink. Verizon reported on April 24, and ATT&T reported on April 25, and today it was CenturyLink’s turn. The company reported adjusted earnings of 25 cents…