Also . . .

David Rocker, a hedge fund manager, acquired a 5.2% stake in Rubio’s Restaurants Inc., a Carlsbad, Calif.-based operator of a Mexican fast-food chain. Rocker Partners and Compass Holdings Ltd., both of which are controlled by Rocker, purchased 460,000 common shares as an investment, according to a Securities and Exchange Commission filing. Rubio’s’ stock has declined more than 28% since its initial public offering of shares at $10.50 each in May. Rubio’s shares fell 25 cents to close at $7.56 on Nasdaq.