(Bloomberg) — From oil and gold to stocks and currencies, global markets were a picture of relative calm Monday in the wake of a geopolitical shock that challenged Vladimir Putin’s rule in Russia. Most Read from Bloomberg Oil edged up after its near 4% slide last week, US and European equity futures ticked higher and Asian shares were mixed as bourses in mainland China opened after a long weekend amid concern over the nation’s economic recovery. A gauge of dollar strength declined 0.1% while most major currencies traded within narrow ranges versus the greenback. Gold rose slightly, with little sign...