This article first appeared on GuruFocus. Sep 12 – Tesla (NASDAQ:TSLA) shares climbed about 7% on Friday to $395, the highest level since February, after the company expanded its energy storage offerings. At an event in Las Vegas earlier this week, Tesla introduced its Megapack 3 battery unit alongside a new large-scale system called the Megablock. The Megablock integrates multiple …
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