THE OPEN March beans:  8 higher March meal:  1.90 higher March soyoil:  40 higher March corn:  1 3/4 higher March wheat:  8 higher The markets opened higher as more shorts covered into a Reuters story that reported that China's Liu He would sign the Phase One trade deal in the US soon.  The news hitting the wires was that Liu would bring a trade delegation to Washington this Saturday.   The South China Morning Post reported the story, which created new highs and triggered buy-stops.  Later in the session the stock market and crude oil saw a round of profit-taking that seemed to set-off caution on both sides. At 10:00 export inspections were released as follows: Beans:  911,482 mt vs...