The electric car making firm of US Tesla Motors has observed that its shares up by 40% on their first day of trading. Tesla Motors was the top gainer in the NASDAQ Index of Wall Street despite of huge falls in rest of the market.

The initial sale of its shares rose up to 226 million dollars from the investors which was 40 million dollars higher than it had been estimated. Toyota has invested 50 million dollars in a return of 2.5% in the Tesla Motors and it has been the first US car making company to go public in US since Ford in 1956.

Toyota is also hoping access to the powerful electric battery of Tesla Motors because of the deal. Toyota's investment in Tesla will give it a chance to repair its worn out reputation. A broker at Sharespost Mr. Greg Dietrick has said that the interest of buying the Tesla stock has increased terrifically after the announcement of Toyota.

Tesla Motors is also a partner of Daimler which is the owner of Smart and Mercedes. Tesla Motors was formed in 2003 but it hopes that the deals will make it a world class car maker.