Shares of the following companies may have unusual moves in U.S. trading on Dec. 19. Stock symbols are in parentheses.
Hoku Corp. (HOKU US): The Honolulu-based energy products company said Chief Financial Officer Darryl Nakamoto resigned, effective March 31.
Jakks Pacific Inc. (JAKK US): The toymaker slashed its 2011 adjusted earnings and sales forecast, citing a “difficult” retail environment for toys. Earnings will be 37 cents to 40 cents a share, compared with an earlier estimate for $1.32 to $1.35 a share.
LinkedIn Corp. (LNKD US): Prudential Financial Inc. amended a filing, reporting its stake in the biggest professional-networking website at 7.8 percent, compared with 15.9 percent reported Dec. 12.
Phoenix Cos. (PNX US): The insurer and money manager that caters to wealthy clients had the outlook on its Phoenix Life Insurance Co. raised to “positive” from “stable” by Moody’s Investors Service.