By Bret Kenwell Uber stock is holding this week’s low but is not trading well. Here’s the setup. Uber (UBER) – Get Uber Technologies, Inc. Report stock was hit hard on Wednesday, driven partly by the action in ride-sharing rival Lyft (LYFT) – Get Lyft, Inc. Class A Report. In the face of a robust rally in the overall market on Wednesday, Lyft stock fell 30% on the day after it reported earnings — and kudos to the team at RealMoney, who nailed the downside target. Uber traded in sympathy with Lyft yesterday, falling as much as 12%, then recouping to finish the day down 4.6%. Its earnings report…