Stack of 100 dollar billsThe system that delivered a blanket of snow to parts of the parched southern Plains also got the attention of grain traders in early-week trading. Wheat futures fell sharply on news of the weather, adding to the bearish momentum created by speculators selling off contracts late last week after several days of positive movement. Even as wheat and corn futures started the week lower, the Commodity Futures Trading Commission reported the highest number of net-long market positions since March 2018, a sign that investors and speculators expect higher market prices in the future. See more.