Polaris Industries Inc. is set to acquire WSI Industries Inc., according to a joint press release from the Minnesota companies. Polaris will pay almost $24 million for WSI - or almost $7 for every share of outstanding stock. WSI stock closed a $5.15 a share Wednesday. The deal has some synergies since Monticello-based WSI (NASDAQ: WSCI) manufactures precision parts and is a vendor for Polaris. "WSI Industries has long been a key supplier of Polaris," said Ken Pucel, Polaris' executive vice...