Three, Key Levels

Support levels: 77,300, 79,000, 81,000

Resistance levels: 72,600, 70,000, 67,000

Four, Trading Strategies

(1) Long-term Buying Strategy

Entry: If the price pulls back and does not break below 72,600, go long directly; if it breaks below, establish a initial position around 72,600, add to the position at 71,400.

Stop loss: Break below 70,800.

Take profit: First take profit near 76,000, second near 79,000.

(2) Short-term Selling Strategy

Entry: If the price surges upward and does not break 76,000, go short; if it breaks above, establish a initial position above 77,300, add to the position at 79,000.

Stop loss: Break above and stabilize above 80,000.