Key price levels and trading tips for November 27: In terms of support level, focus on the $2900 - $2935 area in the short term, with strong support in the $2840 - $2860 range. A break below may trigger further pullback. As for resistance level, pay attention to the pressure at $3080 during the day, with subsequent strong resistances at $3200 and $3483 (50-day EMA position). In terms of operation, it is relatively prudent to set up long orders after a pullback. You can try long orders when the price pulls back to the low area, with stop loss set at 30 points and the target looking above $2900. If there is a rebound to the $3040 - $3095 range, you can try light position for short orders, with stop loss at 30 points and target below $2960. At the same time, be aware of hourly adjustment signals and the risks of traction from medium to long-term moving averages.