Markets were firm overnight and opened higher this morning. Brazil's real also finally rallied sharply higher, which impacted the market's view of U.S. soybeans. General Comments Markets were firm overnight and opened higher this morning. Soybean futures were leading the charge with double-digit gains following the news that China had pledged to buy 13.2 MMT of U.S. soybeans during the current marketing year. Some sort of announcement was expected, but these numbers were above expectations. Wheat and corn followed soybeans.World and U.S. financial markets were also very strong overnight and today, but the NASDAQ exchange turned lower. That did not affect the grain and oilseed markets. Federal Reserve Chairwoman Janet Yellen's comment tha...