Amazon puts Wall Street on track for best day in a month

Buoyed by rises in oil and global stock markets, Wall Street's gains appeared to breathe new life into a two-month rally that petered out in mid-April, and it left the S&P 500 with an increase of nearly 2 percent for 2016. Amazon jumped 3.2 percent to a record of $701.40, giving the biggest boost to the S&P and the Nasdaq. Bernstein raised its price target on the stock to $1,000, the highest on Wall Street, saying it believes Amazon's margins will expand much faster than currently expect