苯乙烯：本周涨1.05%，后市或易跌难涨

Core Viewpoint - Styrene prices have shown a fluctuating yet strong trend this week, with expectations of potential declines in the future due to weak demand and supply adjustments [1] Price Trends - As of September 17, the average closing price of styrene in the Jiangsu market was 7185 yuan/ton, an increase of 75 yuan/ton or 1.05% compared to the previous Wednesday [1] Cost Factors - International oil prices experienced a decline followed by an increase, with Brent crude oil rising by $0.46 per barrel or 0.68% as of September 17 [1] - The price of pure benzene also showed strength, with the average closing price in the East China market increasing by 1.05% compared to the previous Wednesday [1] Supply and Demand Dynamics - The restart of production at Zibo Junchen and Tangshan Xuyang facilities has stabilized operations, while Zhejiang Petrochemical has planned outages and reduced load, leading to a shift from increased to decreased weekly output [1] - The main port in East China has transitioned from inventory depletion to a slight accumulation, with limited changes in production and consumption from major downstream sectors [1] Market Predictions - Predictions indicate that the Federal Reserve's interest rate cuts will have a limited impact on the commodity market, suggesting that the styrene market will revert to its fundamentals [1] - Despite planned supply reductions, demand remains tepid, and northern factories may resort to low-price inventory clearance before the upcoming double festival, making the market more prone to declines than increases [1]