The ruble weakened the most among currencies worldwide, catching up with the biggest decline in oil in more than a month, as Russian markets reopened following a two-day holiday. The currency slid 2.6 percent to 66.28 per dollar by 11:40 a.m. in Moscow, the biggest fall in almost two weeks. That pared its gains in 2016 to 11 percent, the most in emerging markets after Brazil’s real. Brent crude tumbled as much as 6.6 percent on Monday and Tuesday when Russian markets were shut for May holidays. The price of Russia’s main export earner has slowed its rebound from a 13-year low in January as data fueled bets that a worldwide supply glut is entrenched. Hedge funds and other large speculators have trimmed net wagers on a stronger ruble by 47 percent since they reached a one-year high of 5,142 in March, according to the Commodity Futures Trading Commission […]