He can't manipulate it into a 22% profit, for exactly the reason you articulated. His buying pushed the price up - his selling will push the price down. He migh

He can't manipulate it into a 22% profit, for exactly the reason you articulated. His buying pushed the price up - his selling will push the price down. He might might make a small profit from the increase his buying news generated if he were to sell now, but his VWAP would be well below 22%.