hardens (转趋坚俏) / stiffens (坚挺) / revives (复苏) / rebounds (反弹) / regains (恢复) / rallies (重振) .

下跌趋势：

The market collapses (崩溃) / relaxes (疲软) .

行情波动：The market fluctuates (波动).

[形容词]

上扬情况：

The market is strong (强劲) / firm (坚稳) / exciting (活跃) / advancing (爬升) / healthy (健康).

下跌趋势：

The market is weak (疲软) / soft (疲软) / easy (缓慢).

平稳不变：

The market is quiet(静止) / calm (平静) /

unchanged (不变) / steady (平稳)/ supported (平持).