Wednesday (January 28) international xylene market closed up 2 cents per gallon: FOB USG January closing price 259.25-259.35 cents per gallon, FOB USG February closing price 255.25-255.35 cents per gallon. PriceSeek analysis of mixed xylene, bullish-bearish score: 1. International xylene spot prices rose by 2 cents per gallon, with both FOB USG January and February contract prices increasing, indicating tight market supply and demand and stronger support from the demand side. This is favorable for spot prices, possibly due to short-term supply reduction or recovery in downstream demand, but the increase is small, representing a general positive.