Wall Street rebounded Friday following Thursday’s selloff, yet midday gains were still insufficient to prevent a second consecutive weekly decline for the S&P 500, currently down 1% for the week. Concerns over tech earnings eased after Amazon.com Inc. (NASDAQ:AMZN) outperformed expectations, restoring some risk appetite and supporting the sector rebound. Amazon shares surged over 6%, heading for their best session since February. The Nasdaq 100, up by 1.1%, outperformed the S&P 500, up 0.8%. In economic data, the U.S. economy added just 12,000 jobs in October, a steep drop from the 223,000 gai…