Stocks around the world are surging Monday, sending Wall Street back to record heights, on a burst of hope following encouraging data for a potential COVID-19 vaccine. The S&P 500 jumped 3.2% in early trading after Pfizer said an early peek at its vaccine data suggests the shots may be 90% effective at preventing COVID-19, though that doesn’t mean its release is imminent. That put the index at the heart of many 401(k) accounts on track to close at a record for the first time in more than two months. Financial markets around the world were already climbing before the vaccine data’s release, and Wall Street seemed set ... (full story)