Google’s class A shares chalked up their largest single-day percentage change in more than seven years on Friday. The rise in Google’s market value was more than the total market capitalization of Caterpillar Inc (CAT.N), the world’s biggest construction equipment maker. Google’s shares hit a record high of $703, valuing it at $471.50 billion and cementing its position as the world’s second most valuable company after Apple Inc (AAPL.O).