J. Jill downgraded twice, shares plummet after profit warning By: MarketWatch October 12, 2017 at 11:21 AM EDT J. Jill’s profit warning is worrying to some analysts, leading to stock downgrades and a share price that’s been cut by about half. Read More >> Related Stocks: J. Jill Inc S&P Retail SPDR Standard & Poors 500