Qualcomm results beat help allay worries over Apple dispute

Qualcomm Inc , the largest maker of chips used in smartphones, reported quarterly revenue and profit that beat analysts' estimates, helping ease concerns surrounding the company's dispute with Apple Inc .The iPhone maker sued Qualcomm in January, accusing the chipmaker of overcharging for its chips and refusing to pay some $1 billion in promised rebates.Qualcomm said on Wednesday that Apple's contract manufacturers underpaid royalties in the second quarter, but revenue was not affected as the am