Tesla stock is trading at its highest level since February.

Tesla ( TSLA 7.21% ) stock is on the move again today. After jumping 6% yesterday, Tesla have shares bounced another 5.8% Friday as of 11:53 a.m. ET. The recent surge has Tesla stock trading at its highest level since February.

Investors might be reacting to news from the company earlier this week regarding its energy business.

Tesla's growth engine isn't currently from EVs

Earlier this week, Tesla held an event in Las Vegas to introduce new products from its energy storage business, and it included a bit of a surprise. Its next-generation Megapack 3 energy storage system was introduced as expected. But the company also unveiled the new Megablock.

The Megablock combines several Megapacks along with electrical power sys

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