Check out the companies making the biggest moves midday: Alkermes — The biotech company dropped 9% as traders weighed phase 2 trial results for its ALKS 2680 drug, which aims to treat narcolepsy. While the company will be advancing the drug to a Phase 3 trial, a higher range of doses or a split dosing regimen may be required to achieve effectiveness in some patients. Bank stocks — The group fell broadly as Treasury yields declined, lifting the Dow Jones Industrial Average to all-time highs. Goldman Sachs and JPMorgan Chase rose 3.8% and 1%, respectively. The Financial Select Sector SPDR Fund (XLF) climbed 1%. RXO — Shares popped 6%, adding to Tuesday's 5.7%. The stock jumped in the previous session following a Morgan Stanley upgrade to overweight from equal weight. Wednesday's move put the

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