Shares of the following companies may have unusual moves in U.S. trading on Feb. 6. Stock symbols are in parentheses, and prices are as of 6:16 p.m. in New York.

Depomed Inc. (DEPO) gained 4.3 percent to $6.99. The drugmaker said it will get “modest, single-digit royalties” on net product sales of Merck & Co.’s (MRK US) type 2 diabetes Janumet XR until the expiration of the licensed patents.

Micron Technology Inc. (MU) fell 3.8 percent to $7.65. Steve Appleton, the memory-chip industry’s longest-serving chief executive officer, died after crashing an experimental plane in Boise, Idaho. Chief Operating Officer Mark Durcan will assume the CEO’s responsibilities until a successor is chosen.

Zogenix Inc. (ZGNX) retreated 10 percent to $2.45. The specialty pharmaceutical company filed a plan to sell as much as $75 million of securities. Proceeds will be used to help fund the commercialization of its Sumavel DosePro and Zohydro drugs and develop new product candidates.

To contact the reporter on this story: Nikolaj Gammeltoft in New York at ngammeltoft@bloomberg.net

(Blomberg)