Yes, investors can legally pursue lawsuits for stock manipulation, typically through class-action lawsuits filed on behalf of shareholders who suffered financial losses due to fraudulent market practices, artificial inflation of stock prices, or deceptive corporate statements. Securities laws protect public markets against illegal activities such as pump-and-dump schemes, spoofing, dissemination of false information, and insider trading. When regulatory bodies or private legal firms uncover evidence of intentional market manipulation that harms investors, affected shareholders can join class actions or file individual claims to seek recovery of damages, though proving intentional manipulation requires extensive legal documentation and regulatory backing.