RailTel Corporation shares rallied nearly 10% on May 2 following robust earnings. The company reported a 46.3% jump in net profit to ₹113.4 crore, while revenue rose 57% to ₹1,308 crore for the fourth quarter (Q4). SEBI registered analyst believes a breakout above ₹339 could trigger a trend reversal with medium-term targets up to ₹600.