Check out which companies are making headlines after the bell Monday:
Dean Foods - The food and beverage company reiterated its third-quarter earnings guidance, accounting for the impact of the firm's reverse stock split. Shares edged higher in extended-hours trading.
Acura Pharmaceuticals - The specialty pharmaceutical company said its painkiller drug made with abuse-deterrent technology did not show statistically significant results in reducing likability among users. Shares plunged in extended-hours trading.
Jones Lang LaSalle - The real-estate services company acquired Houston-based property management firm Knaus Partners, but financial terms of the agreement were not immediately disclosed. Shares were unchanged in extended-hours trading.
Blackbaud - The software supplier named current CFO Anthony Boor as its interim President and CEO. Shares were unchanged in extended-hours trading.