Intel shares were up on Friday after the Wall Street Journal reported that Qualcomm had recently approached the ailing US chipmaker with a takeover proposal. Intel’s stock prices rose by more than 3% in US trading. At times, the increase was even greater at over 10%. Intel did not want to comment on the Wall Street Journal report, and there was initially no reaction from rival Qualcomm. Intel is struggling with high losses and launched a cost-saving programme earlier this year. The former industry leader plays practically no role in the smartphone business – and Intel is unable to compete with…