Check out the companies making headlines in after-hours trading. Southwest Airlines — Shares of the airline gained 2% on the back of a surprise quarterly profit . Southwest also said that demand and fares are both improving. The company reported adjusted earnings of 11 cents per share, while analysts polled by LSEG had expected a loss of 3 cents per share. Revenue came out at $6.95 billion, meanwhile, beating analysts' consensus estimate of $6.92 billion, per LSEG. Tesla — The electric vehicle stock, which has shone greater attention to its robotics and humanoid ambitions in recent months, fell nearly 2% after reporting mixed third-quarter results. The company beat third-quarter revenue estimates with a 12% increase to $28.1 billion on the back of strong automotive sales. However, earnings

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