Idea price share tumbled 6 per cent to its 52-week low on Tuesday, after India's third largest telecom company posted a 74 per cent fall in its June quarter net profit. The mobile carrier company reported a net profit of Rs 220 cr in Q1, missing a consensus forecast of Rs 435 cr. Idea attributed the profit slump to one-time finance cost for spectrum and lower voice revenues. The company's voice volumes declined one per cent sequentially and growth in the data segment also moderated. As of 10 a.m., <a href="http