Tesla has yet another biggest bull on Wall Street. Here's why he thinks the stock could surge 57%. (TSLA)

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· *Long-time Tesla bull Pierre Ferragu of New Street on Tuesday raised his price target on the automaker to $800, the new highest on Wall Street and roughly 57% higher than where shares traded at Friday's close. *
· *Shares of the electric-vehicle maker gained as much as 7% Tuesday. *
· *Ferragu expects Tesla will...