Stocks making the biggest moves premarket: First Republic, Western Alliance, Uber, Lyft and more

First Republic led a rebound in regional bank stocks. Uber and Lyft got a boost from a court ruling. Source

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This week’s best-performing stocks include a pharma name up more than 20%

The S&P 500 is headed toward its largest weekly losses since December. Take a look at this week's biggest gainers.

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