Shares of Avantel Ltd have delivered nearly 1,000% returns in the last two years. The defence stock, which closed at Rs 11.48 on November 29, 2021 surged to a high of Rs 129 in the current session, clocking over 1,000% returns during the period. In comparison, Sensex has surged 17% during the period. The stock has gained 328% in a year and zoomed 383.35% this year. The telecom equipment stock opened higher at Rs 129 against the previous close of Rs 127.65 on BSE. Later , the stock slipped 3.56% to Rs 123.10. Market cap of the firm slipped to Rs 2,994.65 crore on BSE. Avantel shares have a beta of 0.3, indicating low volatility in a year.