uk stocks dropped tuesday as the ftse 100 index ukx finished down 032 at 717016 among ftse 100 constituents general mining company polymetal international plc poly saw the largest decline tuesday as shares cratered 2290 shares of wholesalers firm ferguson plc ferg and general mining company glencore plc glen declined 617 and 441 respectively prudential plc pru  a life insurance company and major international banks business standard chartered plc stan rounded out the top five largest decreases as their stocks dropped 421 and 399 respectively pearson plc pson  a publishing company saw the largest increase of the ftse 100 constituents as shares climbed 865 on tuesday shares of general services firm ashtead group plc aht and publishing company informa plc inf increased 402 and 338 respectively national grid plc ng  a multiutilities company and publishing company relx plc rel rounded out the top five largest increases as their stocks rose 287 and 263 respectively the pound was up 038 against dollar gbpusd at 13051 and 029 against the euro ukgbpeur at €11917 brent crude usbrn00 dropped 49 to 10164 and the yield on the 10year gilt tmbmkgb10y increased 1152 basis points to 1578 editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use