General Comments Today's price action in grains and the soy complex again followed the recent pattern of changing direction each day. On Monday markets were down, Tuesday they were up, so today was destined to be a down day. And it was. Prices weakened in overnight trade amid some speculative long liquidation. There also appeared to be some hedge selling.Price weakness carried over to the day session in response to a number of bearish influences, both micro and macro. The most influential macro influence came from China, where the Chinese purchasing manager's index (PMI) came out as 50.6, down from 50.9 last month. Analysts expected the index would be unchanged, so today's lower number provides a further signal that Chinese economic grow...