Premarket Movers | MP Materials up 11%; Instacart Soars 13%; Trade Desk Sinks 28%; Sweetgreen Tumbles 23%; Pinterest Slides 12%; Firefly Falls 10%

Trade Desk reported a sharp slowdown in second-quarter revenue growth on softer demand for its digital advertising services in the connected TV market, sending its shares plummeting 29% in premarket trading.

Sweetgreen slashed its sales guidance after a second straight quarter of disappointing results, highlighting the salad chain’s struggles to sell $15 salads to budget-strained diners.

The company now anticipates that sales at restaurants open for at least a year will drop between 4% and 6% this year, a big step down from prior expectations that the measure would be flat. The shares tumbled 23% in premarket trading.

MP Materials posted a smaller-than-expected second-quarter loss Thursday, as the U.S. rare earths miner benefited from higher production amid booming demand, sending its shares up 11% in premarket trading.

The company - which operates the only U.S. rare earths mine in Mountain Pass, California - has been in the spotlight as President Donald Trump's administration ramps up efforts to build out a domestic supply to reduce dependence on China.

Firefly Aerospace shares dropped 10% in premarket trading. The shares climbed 34% in their public debut, marking the next evolution for a company that survived bankruptcy and turmoil to develop its own fleet of rockets and successfully land a private spacecraft on the moon.

Pinterest missed analysts' estimates for second-quarter profit on Thursday, overshadowing robust revenue and user growth, and sending its shares down over 12% in premarket trading.

Block reported a rise in second-quarter income and raised its annual gross profit forecast on Thursday, as the payments firm was helped by resilient consumer spending, lifting its shares 8% higher in premarket trading.

Twilio forecast second-quarter revenue below Wall Street estimates on Tuesday, expecting a slowdown in demand as customers cut back on discretionary spending amid economic uncertainty. The shares sank 13% in premarket trading.

Expedia raised its annual forecast for gross bookings and revenue growth on Thursday, amid a recovery of demand in the United States, sending the online travel company's shares up more than 17% in premarket trading on Friday.

Instacart forecast third-quarter gross transaction value above Wall Street estimates on Thursday, betting on resilient demand amid efforts to offer cheaper groceries through its platform, sending its shares up 13% in premarket trading.

The company, also known as Maplebear, has doubled down on its push to match in-store prices on its platform to attract value-seeking consumers looking to stretch their budgets.

Take-Two raised its annual bookings forecast on Thursday, betting on strong demand for its new "Mafia" and "Borderlands" titles, sending its shares up 4% in premarket trading.

Serve Robotics showed progress in deploying its fleet of artificial-intelligence-trained food delivery robots in the second quarter. Shares, however, dipped 5% in premarket trading as investors digested third-quarter sales guidance.