How do Brutus and Cassius respond to Antony’s speech?

Brutus and Cassius are both deeply moved by Antony's speech. Cassius is visibly shaken and saddened by Antony's words, and he quickly orders the troops to return to their camp once the speech is finished. Brutus is also affected by the speech, though he tries to stay stalwart in his opinion that his cause was just. He acknowledges Antony's great powers of persuasion and encourages everyone to remain loyal to their convictions.