An eye-glazing technical press release was put out this week by Texas-based EEStor, a company that has spent more than a decade trying to bring low-cost, high-capacity and super safe energy storage to market.

The next morning, Toronto-based ZENN Motor – a minority strategic shareholder in EEStor—saw its stock price shoot up 150 per cent. It was as if a defibrillator had brought a corpse back to life.

So what’s going on here? 

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