Balsamic Pork Stir Fry

• 500 grams pork fillet (cut)
• 2 garlic (cloves crushed)
• 1 capsicum (red chopped)
• 1 green capsicum (chopped)
• 1 bunch rocket
• 120 ml orange juice
• 60 ml balsamic vinegar
• 10 ml olive oil
• 1 slice cm (thick)