Daqo New Energy, Guardant Health lower in premarket; SolarEdge, Xpeng gain

Investing.com -- Here are some of the biggest stock movers ahead of the opening bell:

• Daqo New Energy (NYSE:DQ) shares were down around 7% after the polysilicon maker reported a loss in its second quarter, compared to prior year's profit, on sharply lower revenues.
• Guardant Health (NASDAQ:GH) shares were down approximately 6% after filing an open-market agreement to sell as much as $400 million in shares via Jefferies.
• PDD Holdings (NASDAQ:PDD) shares dropped as much as 18% after reporting weaker-than-expected sales, indicating that Temu’s growth is falling short of investors lofty expectations.
• SolarEdge Technologies (NASDAQ:SEDG) saw shares rise 14% after CEO Zvi Lando announced that he is stepping down.
• Xpeng (NYSE:XPEV) shares were up 4% after the Chinese electric-car maker said chairman and CEO He Xiaopeng had purchased one million Class A shares of the company in the open market at an average of HK$27.13 each, according to a Hong Kong stock exchange announcement Monday.