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adverse stock market factor; bearish market factor
negative factor
悪材料が重なり株式市場は低迷した。
The stock market stagnated as negative factors piled up.
景気後退が最大の悪材料と見られる。
The economic recession is seen as the biggest negative factor.
悪材料の出尽くしで相場が反発した。
The market rebounded after all the bad news was priced in.