SPREADS May crush moves down to the lowest point so far at 81c/bu, while oilshare weakens to 33.55%.   July/Dec corn remains a 2c-2 3/4c carry, while March/May firms into 3 1/2c from 4 1/2c.  July/Nov beans trades into 10 3/4c from 11 1/2c.  May wheat/corn trades at 157 3/4c.  March/May wheat inverse trades from 1 1/2c to 2 1/2c.   PALM OIL May palm ended 17 ringgits lower.   Top economic officials from Indonesia said the gov. is considering increasing their palm oil export taxes in a bid to help support and expand domestic biodiesel production and consumption.  Indian refiners of edible oils urged the gov. to stop issuing import licenses for palm-olein to help avoid a crash in domestic p...