Here are some of the companies making headlines in midday trading. Netflix — The streaming giant leapt more than 3% after Bill Ackman's Pershing Square disclosed a new stake in Netflix. The firm last took a position in Netflix in early 2022 but sold it roughly three months later. Super Micro Computer — Shares of the data center server company continued their post-earnings surge. Super Micro last traded 6% higher, adding to its 19% advance from Wednesday. Guidance for the first quarter surpassed estimates, with the company calling for adjusted earnings of $1.01 to $1.10 per share and revenue of $14.5 billion to $15.5 billion. Analysts polled by FactSet sought 72 cents per share and $11.82 billion. Cisco Systems – Shares of the networking tech giant fell 9%. Cisco's outlook for adjusted gross margin in the first quarter came in at 65% to 66%, narrowly missing the FactSet consensus of 66.1%. The forecast overshadowed solid guidance for the fiscal year ending July 2027. "We expect CSCO to trade mixed as the stronger FY27 guide is offset by gross margin concerns," Goldman Sachs said in a Wednesday report. Memory chips – The Roundhill Memory ETF (DRAM) gained about 5%, heading for its third straight winning day as traders snap up shares. Sandisk jumped 16%, while Western Digital gained 8%. Micron Technology advanced more than 6%. Tapestry — The parent of Kate Spade and Coach dropped almost 15% on underwhelming results for the fiscal fourth quarter . Tapestry earned $1.32 per share on revenue of $1.88 billion. While earnings were above the FactSet consensus of $1.28 per share, revenue only just exceeded a $1.87 billion estimate. The company did increase its quarterly dividend to 46.25 cents per share from 40 cents per share Yeti — The drinkware and cooler maker slipped 12% after the company reaffirmed its full-year forecast for revenue growth. Yeti sees revenue growth in a range of 7% to 8% on a year-over-year basis, while the FactSet consensus sought an increase of 7.6%. Birkenstock — The shoe company jumped 14% after its quarterly revenue and adjusted earnings before interest, taxes, depreciation, and amortization beat expectations. Birkenstock also said it expects its full-year revenue and adjusted EBITDA to come in at the high end of its prior guidance. Bullish — Shares added 6% on the back of Bullish's second-quarter results. Revenue came in at $92.6 million, topping the $87.4 million expected from analysts polled by FactSet. The company also raised the lower end of its full-year guidance for subscription, services and other revenue. JD.com — U.S.-listed shares fell roughly 8%, despite the Chinese e-commerce company posting a beat on the top and bottom lines. JD.com's adjusted earnings were 6.29 yuan per share, versus the FactSet consensus estimate of 5.61 yuan. Revenue decreased year over year to 346.4 billion yuan, but still topped the 342.33 billion expected from analysts. EnerSys — The battery manufacturer jumped 4% after its quarterly earnings and revenue handily topped Wall Street's expectations. EnerSys saw adjusted earnings of $3.66 per share for its fiscal first quarter, versus the $2.83 per share expected from analysts polled by FactSet. Revenue was $935.6 million, compared to the $928 million consensus estimate. The company's second-quarter EPS guidance also topped expectations. Grocery Outlet — The grocer reported EPS of 20 cents for its second quarter, versus the 13 cents expected from analysts, per FactSet. Revenue was $1.19 billion, versus the $1.17 billion consensus estimate. Shares gained 5%. Jack in the Box — The fast food chain gained 2% on better-than-expected earnings for the company's fiscal third quarter. Jack in the Box earned 96 cents per share, topping a FactSet estimate of 88 cents per share. Red Robin Gourmet Burgers — The restaurant chain posted second-quarter results that beat analyst expectations, sending shares higher by nearly 25%. Red Robin earned 12 cents per share, excluding certain items, on revenue of $277.6 million. Analysts polled by FactSet expected the company to break even on revenue of $265.8 million. Coherent — The photonics company lost 5% after adjusted gross margin for the fourth quarter was roughly in line with estimates. Non-GAAP gross margin was 40.2%, while the StreetAccount consensus estimate anticipated 40%. Guidance for first quarter earnings and revenue surpassed analysts' expectations. Cerebras Systems – Shares of the artificial intelligence chip manufacturer tumbled nearly 14%. Revenue in the second quarter came in at $180 million, versus the $194 million LSEG consensus estimate. StubHub – The secondary marketplace for event tickets lost almost 14%. Adjusted gross margin in the second quarter came in at 82.2%, while the StreetAccount consensus called for 84.3%. The company also reaffirmed its full-year outlook for adjusted EBITDA. — CNBC's Darla Mercado and Fred Imbert contributed reporting.