10 things you need to know before the opening bell

Here is what you need to know.  1. The WTO will reportedly give Trump a green light to slap tariffs on a record $7.5 billion worth of EU goods this week. The EU will have to wait until early next year to learn the amount of retaliation it can take against Boeing. 2.  Forever 21, once among America's fastest-growing fast-fashion retailers, has filed for bankruptcy. Linda Chang, the company's executive vice president, told The New York Times that the retailer would soon cease...