The American electric car manufacturer Tesla has announced a stock split to make its shares cheaper for small investors.

Tech billionaire Elon Musk's company said its board of directors will approve a 3-for-1 split if approved by shareholders at its annual meeting in August.

Tesla had already announced in March that it was planning a split.

So far it was unclear in which relationship.

Stock splits don't change a company's stock market value, but they do lower the price per share.

The papers can thus become more attractive, especially for small investors, even if many brokers already offer to buy shares proportionately.

Nevertheless, the measure is very popular with companies: other large American corporations such as Google's parent company Alphabet and Amazon have already announced stock splits this year.

Tesla's shares have recently been under a lot of pressure in the general downturn on the stock markets.

The price has fallen more than 40 percent since the highs of last November.

The stock closed at $696.69 on Friday.

The announcement of the share split initially caused slight price gains after the trading session.

Tesla also announced in the announcement that Oracle founder Larry Ellison wanted to step down from the board of directors.