If you have $270,000 to trade & you buy 1000 TSLA at $267= $267,000.
Then it goes up to $290. a few days later, you will have made $23,000.
https://finance.yahoo.com/quote/TSLA....tsrc=fin-srch
Click on 6 month chart
You would have put into danger your $267k & looking at this chart, it would take awhile to recover your investment.