Activist investors just had their busiest quarter ever as they looked to capitalize on weak share prices globally

• Activist investors had their busiest quarter ever, with slumping share prices stoking campaigners, the FT said. 
• Fights against Disney and Salesforce were among boardroom battles, although US activity fell 30%. 
• A South Korean firm was the most prolific and took on K-pop music pioneer SM Entertainment. 

Activist investors worldwide have had their busiest quarter on record, with slumping share prices stoking campaigners to buy what they see as undervalued stocks and then putting their newfound power toward pushing for changes, according to a Financial Times report.