Take a look at the companies making headlines in midday trading. Nvidia — Nvidia shares fell 2% in midday trading and fell more than 4% ahead of its quarterly report after the bell on Tuesday. Investors will be watching the chipmaker’s results closely to see how long its massive growth cycle can last. SolarEdge Technologies — Shares of SolarEdge Technologies fell 14% after the solar company’s latest earnings report. While SolarEdge’s per-share loss was below Wall Street expectations, revenue was well below analysts’ expectations. First-quarter revenue is forecast at $175 million to $215 million, well below expectations of $406 million. Teladoc — Shares of Teladoc fell 24% the next day after the online healthcare company reported lower-than-expected revenue and guidance on Wednesday. Teladoc reported revenue of $661 million, missing the LSEG (formerly Refinitiv) consensus forecast of $671 million. The company reported a loss of 17 cents per share, missing analysts’ expectations of 21 cents. According to LSEG, Teladoc expects revenue for the current quarter to be between US$630 million and US$645 million, below analysts’ expectations of US$673 million. Palo Alto Networks — The cybersecurity stock plunged 26.3% after cutting full-year revenue and billing guidance. The company expects full-year revenue to grow 15% to 16%, down from its previous range of 18% to 19%. RingCentral – Fourth-quarter revenue and profit beat expectations, and shares rose 3.5%. However, the cloud company’s outlook for the current quarter is weak and its forecast for the full year is mixed. Toll Brothers — Shares of Toll Brothers rose more than 5% after the homebuilder reported better-than-expected earnings. Toll Brothers reported earnings of $2.25 per share, beating estimates of $1.78, according to LSEG. Revenue of $1.93 billion also beat expectations. Norfolk Southern — Shares of Norfolk Southern rose 2% after Barclays upgraded the rail operator to overweight from equal. As a catalyst for the change, the bank cited an upcoming leadership shake-up, including the ouster of Chief Executive Alan Shaw. Amazon, Walgreens Boots Alliance – Amazon will replace Walgreens Boots Alliance on the Dow Jones Industrial Average next week, S&P Dow Jones Indices announced Tuesday. Amazon rose 0.8%, Walgreens Boots Alliance fell 2% HSBC – The global bank’s U.S.-listed shares fell more than 8% on Wednesday after fourth-quarter results showed lower profits and revenue. HSBC also took a $3 billion charge for writing down its stake in China’s Bank of Communications. Wingstop — Shares of Wingstop fell 4% even after the restaurant chain reported fourth-quarter profit and revenue that beat analysts’ expectations. However, total revenue growth declined for the fourth consecutive quarter. Wingstop expects full-year domestic same-store sales to grow by mid-single digits. Beyond Meat — Shares fell more than 1% after the company announced it would launch a new version of its plant-based burger in grocery stores this spring. The move is aimed at attracting consumers amid waning interest. The stock is down more than 20% this year. Wix.com — Shares of Wix.com rose 8% after the website builder reported quarterly earnings and revenue that beat estimates. Wix.com reported fourth-quarter earnings of $1.22 per share, beating the StreetAccount consensus estimate of 96 cents per share. Revenue was $403.8 million, above expectations of $402.6 million. Garmin — Shares soared 11% after the company beat expectations for fourth-quarter earnings and revenue and full-year forecasts. Garmin also increased its quarterly dividend and announced a $300 million stock buyback program. International Flavors & Fragrances – Shares of the food ingredients maker fell more than 8% after fourth-quarter earnings fell short of expectations and the company announced a dividend cut. The full-year revenue forecast was also weaker than analysts expected. —CNBC’s Hakyung Kim, Michelle Fox, Lisa Kailai Han, Jesse Pound, Samantha Subin, Yun Li and Sarah Min contributed reporting.