(Reuters) - Shares in Qualcomm ( QCOM ) fell more than 3% in Frankfurt on Thursday as a disappointing forecast for no growth in its patent licensing business overshadowed a higher-than-expected outlook for sales and profits.

By 0710 GMT, the stock was down 3.4% in Frankfurt.

The shares fell 4.2% in extended trading on Wednesday, having closed up 1.6% on the day in regular hours. Qualcomm ( QCOM ) stock is up 14.5% this year.