Nov 22 (Reuters) - Commodity funds bought a net 10,000 Chicago Board of Trade soybean contracts on Friday, trade sources said. They bought 1,000 wheat and bought 3,000 corn. Corn Soybeans Wheat Soymeal Soyoil Nov 22 + 3,000 +10,000 + 1,000 +6,000 -3,000 Nov 21 + 7,000 + 7,000 - 1,000 +2,000 +5,000 Nov 20