ByMichael WursthornDec. 1, 2019 5:30 am ET The bears are circling retailers ahead of the holiday season. Short sellers have revived their bets against bricks-and-mortar retailers in recent weeks, taking their most aggressive positions in months. Short positions against the SPDR S&P Retail fund, one of the biggest retail exchange-traded funds, last week hit 441% of the fund’s available shares,…
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