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5 Winners and Losers of the Week in Business

It's been an interesting week in the world of business, from BlackBerry losing another major client, to travel troubles on land and sea that will cost Tesla and Carnival some serious goodwill. Here's a rundown of this week's biggest wins and loses.

24-Hour Stock Trading

NYSE-flagNasdaq OMX Group Inc. (NASDAQ: NDAQ) has asked the Securities and Exchange Commission to allow it to process trades as early at 4 a.m. Although some...