経済短歌 格下げと米株式市場の効率性
The credit rating downgrades and Efficiency of US Stock Market – Economic Tanka
米国債/銀行 格下げ受けて かなり下げ 米株市場 効率的か?
Given the credit downgrades of the US debts/some US big banks, recently,
The share prices were fairly affected, putting a question on the efficiency of the US stock market, candidly.
By Kota Nakako
2023/08/10
