THE OPEN March beans:  3 higher March meal:    2.10 higher March soyoil:  1 higher March corn:  1/2 higher March wheat:  2 1/2 higher The markets opened as expected with bean prices trading to new highs with the move up on further short-covering activity, while longs booked profits in wheat and soyoil.   More business announcements before the open and more tariff reductions from China paving the way for a signing agreement in early January helped to maintain a higher path.  It was announced before the open that China purchased 126,000 mt of beans for the 2019/20 marketing year.   Additional announcements were that USDA changed the destination for 225,500 mt of beans from unknown t...