Economic Observation Network Futures Noon Review: As of noon, commodities have mainly fallen below. In terms of decline, styrene and crude oil fell by over 3%, pure benzene fell by nearly 3%, and silicon iron, synthetic rubber, polypropylene, propylene, and methanol fell by over 2%. In terms of price increases, coking coal rose by over 6%, alumina rose by over 5%, coke rose by over 2%, Shanghai tin rose by over 1%, and cotton, pulp, and eggs rose by nearly 1%.