Qualcomm stock leapt in value by 14% as it announced a long term settlement and patent agreement with Huawei, in the midst of the US/China hi-tech stand-offs. The US chip provider said this deal would boost revenues by $1.8bn in the current quarter, which ends in September. Qualcomm announced the breakthrough on a call to discuss its fiscal third quarter figures, which saw revenues flat, year-on-year, at $4.8bn, and net income of $982m or 86 cents per share, above Qualcomm guidance and most analyst forecasts. The Huawei deal marks agreement with one of the last major handset providers still not to have signed up with Qualcomm. The chip company has steadily announced patent deals with many Chinese vendors, since it…