Formula 1 world champion Lewis Hamilton’s defection from Mercedes to Ferrari has driven the Italian team’s share price to a record high. The shares of the Italian luxury car manufacturer rose to a record $389.45 by the close of trading on New York’s Wall Street on Thursday evening, up more than 12% on Wednesday. The group’s positive outlook also contributed to a generally strong share price recently. However, the prospect of Hamilton in the red racing car from 2025 onwards was the supercharger behind Thursday’s high. Seven-time world champion Hamilton is leaving the Mercedes team at the end of…