THE OPEN Jan beans:  11 1/2 higher Jan meal:  3.90 higher Jan soyoil:  65 higher March corn:  2 3/4 higher March wheat:  11 higher The markets opened higher and continued to find technical buying activity on pullbacks.   The recent drop created more short-covering opportunities, while weaker longs seek to get back into the market at recent lows.  More business announcements and a good export sales number helped corn, while wheat found short-covering from Russian statements trying to stem the tide of higher domestic prices.  Opening rallies continued to build into the numbers throughout the session, and into what would become a very benign and somewhat disappointing report for the bulls.&nbs...