A hedge fund at Emerging Sovereign Group that has bet against the Chinese economy sunk about 62 percent this year through April. The Nexus fund dropped 8.2 percent last month, according to an email to investors seen by Bloomberg News. The April results mark at least the third consecutive month of negative returns for the fund. China bears have suffered as economic growth accelerated in the first quarter and officials have been guiding the yuan higher against the dollar in a move that’s caught market watchers by surprise. The Nexus fund gained 35 percent in 2015, profiting from moves by...