The stock of Reliance Communications (RCom) plummeted about 11 per cent yesterday to a 52-week low of Rs 16.75 as the company’s merger plans with Aircel was called off. The stock now trades a tad higher at Rs 17.35. The company’s prospects though don’t seem encouraging. RCom’s revenue has been on the decline since June 2016 and its customer base has been shrinking too. The company’s customer b...