Check out the companies making headlines in midday trading.

Palo Alto Networks — The security software provider jumped 14.8% after Palo Alto beat expectations for earnings when reporting after the bell Friday. Goldman Sachs reiterated the stock as buy following its report.

Earthstone Energy, Permian Resources — Earthstone Energy jumped 16.7% following the announcement that Permian Resources is buying the oil and gas company in an all-stock deal valued near $4.5 billion, including debt. Permian shares added 2.3.

Nvidia — Shares climbed 8.5% after HSBC reiterated a buy rating and raised its target price on the chipmaker. Baird also named Nvidia a top pick. The company reports earnings Wednesday after the bell.

Napco Security Technologies — The security tech stock plummeted 45% after Napco said Friday that an audit found errors in recent financial statements, with gross profit, operating income and net income overstated.

Xpeng — The Chinese electric vehicle maker jumped 9.7% following an upgrade to buy from neutral by Bank of America. The firm said Xpeng should see improvements in China given its partnership with Volkswagen and better cost structure.

Tesla — The electric vehicle maker added 7.3%, regaining ground after tumbling about 11% last week following news of more price cuts in China.

VMware, Broadcom — VMware and Broadcom added 4.9% and 4.8%, respectively. Broadcom obtained final transaction approval from the U.K.’s Competition and Markets Authority for an acquisition of the cloud computing company and expects other required regulatory approvals before Oct. 30. 

Farfetch — The e-commerce fashion company’s shares jumped more than 3.8% Monday. The stock tumbled more than 45% during Friday’s trading session after posting a revenue miss in the prior quarter. Farfetch’s full-year revenue guidance also came in below analysts’ expectations.

Acushnet Holdings — The golf equipment maker and owner of Titleist added 5% after Jefferies upgraded the company to buy from hold. The Wall Street firm excepts Acushnet to defend its top position while expanding margins and growth.

— CNBC’s Sarah Min, Hakyung Kim and Samantha Subin contributed reporting.

Check out the companies making the biggest moves in premarket trading:

Palo Alto Networks — The security software vendor soared 12.5% following an earnings beat after the Friday market close. Fiscal fourth-quarter adjusted earnings per share came in at $1.44, topping the $1.28 expected from analysts polled by Refinitiv. Revenue, however, fell short.

Earthstone Energy, Permian Resources — Earthstone jumped 7.5% in the premarket after Permian Resources agreed to buy the oil and gas company in an all-stock deal valued at about $4.5 billion, including debt. Permian fell 3.4%.

Nvidia — The leading AI semiconductor maker gained 2.6% premarket after HSBC reiterated a buy rating and raised its target price. The bank’s new forecast implies more than 80% upside from Friday’s close. Baird also named Nvidia a top pick over the weekend, noting that with AI momentum running at full speed, Nvidia will continue to benefit from higher demand.

Napco Security Technologies — Shares plunged nearly 36% after the maker and designer of school safety solutions disclosed postmarket Friday that an audit found errors in financial statements from fiscal quarters ending in September, December and March. Gross profit, operating income and net income in each period were overstated, Napco said.

XPeng — XPeng popped nearly 6% after Bank of America upgraded shares to buy from neutral, citing an improved outlook for the Chinese electric vehicle maker thanks to its partnership with Volkswagen and improving cost structure.

Tesla — The EV maker gained about 3%, after losing more than 11% last week amid news of price cuts on existing Model S and Model X inventories in China.

VMware — Shares climbed 5.2% before the open Monday after Broadcom said it received final transaction approval from the United Kingdom’s Competition and Markets Authority for an acquisition of the cloud computing company. Broadcom expects other required regulatory approvals before Oct. 30. Broadcom was 0.9% higher in the premarket.

Farfetch — Shares rose more than 2% on Monday premarket, after plunging 45% on Friday. The e-commerce fashion platform’s shares tanked after second-quarter revenue came in lower than expected. The company’s revenue guidance for the full year was also weaker than analysts had estimated.

— CNBC’s Samantha Subin, Alex Harring, Hakyung Kim and Pia Singh contributed reporting.

Check out the companies making headlines before the bell Friday.

Palo Alto Networks — Shares of the cybersecurity company edged 1.8% lower in premarket trading Friday. Palo Alto Networks’ fiscal fourth-quarter earnings are expected to come out Friday afternoon. Analysts surveyed by FactSet’s StreetAccount called for $1.96 billion in revenue and earnings per share of $1.29.

Ross Stores — Shares jumped nearly 5%, a day after Ross Stores’ postmarket earnings report. The discount retailer’s earnings per share for its second quarter came in at $1.32, topping the consensus estimate of $1.16, according to Refinitiv. Its revenue was $4.93 billion, versus the $4.75 billion expected.

Alibaba, JD.com, PDD, Nio — Shares of some Chinese companies, ranging from e-commerce giants JD.com and Alibaba to electric vehicle manufacturer Nio, declined in premarket trading Friday. Alibaba was down 2.3% and PDD lost about 3.5%, while JD.com and Nio dropped 4.8% and more than 5%, respectively. The moves come as investors’ weigh China’s real estate troubles, which could, in turn, impact the country’s economic activity.

XPeng — Shares of the Chinese electric car maker were trading down 7% after the company’s earnings results Friday showed a wider-than-expected loss in the second quarter. The company reported a net loss of 2.8 billion yuan, coming out lower than the expected loss of 2.13 billion yuan. XPeng’s revenue of 5.06 billion Chinese yuan ($693.7 million) came out in line with expectations, however. Still, its revenue represented a 31% year-on-year fall.

Applied Materials — The semiconductor equipment maker gained about 2% after beating analysts’ expectations on the top and bottom lines in its fiscal third-quarter results. The company’s adjusted earnings came out to $1.90 per share, exceeding the $1.74 per share expected by analysts polled by Refinitiv. Revenue came in at $6.43 billion, also more than the anticipated $6.16 billion.

Estee Lauder — Shares of the cosmetics giant took a 4% hit after Estee Lauder reported earnings for its fiscal fourth quarter that beat on earnings and revenue, but lowered its full-year guidance. The company reported adjusted earning per share of 7 cents, while analysts surveyed by Refinitiv had forecast a loss of 4 cents per share. Revenue of $3.61 billion surpassed expectations of $3.48 billion. Estee Lauder issued weak guidance for the first quarter, however, saying it expects to lose between 31 cents per share and 21 cents per share, while analysts had expected earnings per share of 98 cents, according to FactSet. 

Keysight Technologies — The stock lost 12.3% after Keysight provided a bleak outlook for its fiscal fourth quarter. The electronic design company said it anticipates adjusted earnings of $1.83 to $1.89 per share on revenue of $1.29 billion to $1.31 billion. Analysts surveyed by FactSet expect earnings of $2 per share and revenue of $1.39 billion.

Farfetch — Shares of the e-commerce fashion company plunged more than 41% in early morning trading after reporting revenue of $572 million for the second quarter, coming out far below a Refinitiv estimate of $649 million. It also issued weaker-than-expected revenue guidance for the full year and cut its gross merchandise value outlook.

Bloomin’ Brands — Shares of the Outback Steakhouse parent company rose 6% in premarket trading after The Wall Street Journal reported that an activist investor has been buying the stock. Jeffrey Smith’s Starboard Value now owns more than 5% of Bloomin’ Brands, according to the report.

— CNBC’s Michelle Fox Theobald and Jesse Pound contributed reporting.

Check out the companies making headlines after hours.

Applied Materials — Applied Materials rose nearly 2% in extended trading after beating analysts’ expectations on the top and bottom lines in its fiscal third-quarter results. The semiconductor equipment maker posted adjusted earnings of $1.90 per share, greater than the $1.74 per share expected by analysts polled by Refinitiv. Revenue came in at $6.43 billion, more than the anticipated $6.16 billion.

Ross Stores — The retail stock popped 5.7% in extended trading after Ross Stores topped forecasts for its second quarter. The discount store company reported earnings of $1.32 per share, better than the $1.16 consensus estimate, per Refinitiv. It posted revenue of $4.93 billion, above the expected $4.75 billion.

Bill Holdings — Bill Holdings’ shares slid 5.4% after the online payments company reported fiscal fourth-quarter results. Bill beat analysts’ expectations on the top and bottom lines, reporting fourth-quarter adjusted earnings of 59 cents per share on revenue of $296 million. Analysts polled by Refinitiv had expected 41 cents in earnings per share on revenue of $282 million. However, Bill issued a weak first-quarter and full-year revenue outlook.

Keysight Technologies — Shares of the electronic design company dropped 7% after Keysight provided a bleak outlook for its fiscal fourth quarter. Keysight anticipates adjusted earnings of $1.83 to $1.89 per share on revenue of $1.29 billion to $1.31 billion. Analysts polled by FactSet called for earnings of $2 per share and revenue of $1.39 billion.

Farfetch — Shares plunged 33% after Farfetch posted second-quarter revenue that missed estimates. The online luxury retailer posted revenue of $572 million, lower than the consensus estimate of $649 million from Refinitiv.