market had seen in four years. a lot of people are wondering if wall street is bracing for another down day. reporter: another week, another day, another decline. you can expect to see more red arrows at the opening bell. the do you tumbled 531 points, the worst day in four years. that was keyed by worries of slowdown in china. speculation over when the fed will hike interest rates and the continued slide in oil prices. asian prices fell overnight. we can get some clues whether a rate hike is coming when the vice chairman speaks in wyoming this weekend. prices are falling below 39 dollars a barrel but gas isn t following suit and held at $2.71 a gallon. analysts say prices are higher in the midwest.