London shares and British Pound sprung up Friday after a Conservative Prime

Many stock markets in Europe–while London, which at a time grew more than 2%–was lagging, was also rising, helped by news of a US-China partial trade agreement.

The Wall Street rally petered out, but the day both Beijing and Washington ended little with American capital on the same hand, eventually. In anticipation of the trade agreement with China, Stocks rallied Thursday but then decreased when the treaty was announced.....