mini Corn, mini Wheat, mini Soybeans-easy to practice on an hold overnight?...anyone trade any of these? overnight even seems easy not just daytrading them? 1 point in large Corn is $50...1 point in mini Corn is $10...hmmm...please share your thoughts...yes, yes...I know small volume but do not need huge volume if wanting to only trade 1-4 contracts before going to big contract...thoughts?