June 9 Reuters Tesla shares jumped 6 on Friday on expectations that its electricvehicle charging system would become an industry standard after General Motors joined crosstown rival Ford in agreeing to use the Tesla Supercharger network.

The Elon Muskled automaker was on course for its eleventh straight session of gains, which would mark its longest winning streak in 212 years. Tesla was also among the most traded stock across U.S. exchanges.

Already the world39;s most valuable automaker, Tesla was set to increase its market capitalization by more than 30 billion to about 780 billion.

Shares of General Motors, whose market capitalization is much lower at 49.8 billion but sells millions more vehicles annually, rose nearly 5.

The rare partnership among three of the biggest U.S. automakers ensures that nearly 70 of the country39;s EV market will have access to Tesla39;s North American Charging Standard NACS.

That will put pressure on other companies to upgrade their networks to work with Tesla39;s at a time when many lag in customer service and lack the funds to make such a commitment.

Shares of charging companies such as ChargePoint Holdings Inc, EVgo Inc and Blink Charging Co were down between 3.0 and 10.

It39;s a huge boost for Tesla39;s charging business, said Consumer Reports senior policy analyst Chris Harto.

They are like to cement themselves as the number one charging network in the country. It definitely could become a big profit center for them going…