Stocks making the biggest moves midday: Norwegian Cruise Line, Micron Technology, Signet Jewelers, Novavax and more - CNBC

These are the stocks posting the largest moves in midday trading.

Check out the companies making headlines in midday trading. Norwegian Cruise Line Shares sank nearly 12% on Tuesday after the company reported second-quarter results that missed Wall Street's expect… [+3090 chars]

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