Here are the stocks making the biggest moves before the opening bell: Kohl's — Shares of the retailer sank 14% after fourth-quarter results showed a decline of 9.4% in net sales and full-year guidance missed expectations. Kohl's said it expects earnings per share of between 10 cents and 60 cents for the current fiscal year, below the $1.23 expected by analysts, according to LSEG. The company also said it expected net sales to fall 5% to 7%, while analysts were expecting that metric to fall 1.6%. Southwest Airlines — Shares of the budget airline jumped almost 10% after the company announced that it will start charging passengers to check bags and will begin offering a basic economy fare. The changes come following activist pressure from Elliott Investment Management. Asana — The software stock fell 25% after CEO and co-founder Dustin Moskovitz announced he is retiring . Moskovitz owns a majority of Asana's outstanding shares. Revenue forecasts for the first quarter and full year were also below expectations. Delta Air Lines — Shares tumbled nearly 5% after the airline slashed its top- and bottom-line guidance for the first quarter due to weak domestic demand . Delta forecast revenue in the current quarter growing no more than 5% on a yearly basis, down from its estimates in January calling for a 6% to 8% rise. The airline also lowered its adjusted earnings forecast to 30 cents to 50 cents per share from a prior range of 70 cents to $1 a share. Dick's Sporting Goods — The retail stock dropped 5% after earnings guidance for the new fiscal year came in lower than expected. Dick's projected earnings per share of $13.80 to $14.40 per share, while analysts had penciled in $14.82 per share, according to FactSet. Vail Resorts — The ski resort operator added about 5% in light trading after reporting better-than-expected earnings for its fiscal second quarter. Earnings came in at $6.56 per share, versus the LSEG consensus estimate of $6.31. Revenue was $1.14 billion, in line with expectations. Tesla — Shares of the automaker rose nearly 1% after suffering a 15.4% loss on Monday. President Donald Trump said he plans to buy a Tesla to support the company and CEO Elon Musk amid talk of boycotts. GE Healthcare Technologies — The health-care stock rose almost 3% after an upgrade to neutral from buy at Goldman Sachs. The investment firm cited an improved outlook in China as a reason for the upgrade. Redfin — The real estate stock fell about 7%, giving back some of the previous session's sharp gain. Shares of Redfin rose more than 60% on Monday after the company announced a deal to be acquired by Rocket Companies . Oracle — The cloud computing stock was down less than 2% after fiscal third-quarter earnings came in slightly below expectations. Oracle reported $1.47 in adjusted earnings per share, while analysts surveyed by LSEG were looking for $1.49. — CNBC's Hakyung Kim and Michelle Fox contributed.
