Aeon Surges After Narrower Loss, JPMorgan Upgrade

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Aeon Co., Japan’s largest supermarket operator, gained the most in six months in Tokyo trading after its nine-month loss narrowed on a year earlier, leading JPMorgan Chase & Co. to upgrade its rating on the stock.

Aeon rose as much as 9.9 percent to 875 yen in Tokyo trading, the biggest intraday jump since June 12. The retailer, which traded at 849 yen as of 1:50 p.m. local time, led gains on the Nikkei 225 Stock Average, which advanced as much as 1.3 percent.