U.S. soybean futures trim gains as investors take short positions

Photo taken on May 15, 2019 shows the Chicago Board of Trade Building in downtown Chicago, the United States. Chicago Board of Trade (CBOT) soybean futures edged higher on Wednesday, as short-covering continued to support the soybean market. However, closing prices of the oil seed are lower than their daily highs, as investors are taking short positions and heading toward exit doors. (Xinhua/Wang Ping)