Tesla shares rose more than 1% in premarket trading<blockquote>特斯拉股价在盘前交易中上涨超过1%</blockquote>
Tesla Inc posted a bigger second-quarter profit than expected on Tuesday thanks to sharply higher sales of its less-expensive electric vehicles, as it raised prices to boost its margins on them.Tesla also cut costs which helped it offset many of the supply chain and microchip shortfalls facing the auto industry.For the first time since late 2019, Tesla profits did not rely on sales of environmental credits to other automakers, a sign of increasing financial health for the manufacturing operation
How to invest as the Delta variant takes hold<blockquote>随着德尔塔变异毒株的到来如何投资</blockquote>
New York When the market is plunging like it did last Friday and on Monday, it's tempting to throw in the towel and sell. Big drops can be scary.But dumping stocks on days when the Dow is getting whacked is usually the wrong thing to do. Stocks roared back Tuesday and were up again Wednesday.If you're investing for the long haul, the best thing you can do is ride out this wave of volatility."Stay invested," said Seema Shah, chief strategist at Principal Global Investors. Shah told CNN Business t