Check out the companies making headlines before the bell. Affirm Holdings — Shares of the payment company popped 14% after Affirm exceeded earnings and revenue expectations for the fiscal second quarter . Affirm, which provides buy now, pay later loans, reported $866 million in revenue for the period, while analysts polled by LSEG expected $807 million. Earnings came out at 23 cents a share, surpassing estimates for a loss of 15 cents per share. Gross merchandise volume grew 35% year-over-year. Tesla — Shares of the automaker dipped 1% after sales of Tesla cars in China fell 11.5% in January amid greater competition from Chinese rivals, which grew their sales during the period. Tesla sold 63,238 units, compared with 71,447 cars sold in the same month last year. Pinterest — The social media platform’s stock skyrocketed more than 20% in premarket trading following the firm’s strong quarterly results . Revenue for Pinterest’s fourth quarter jumped 18% year over year while net income was $1.85 billion, including a deferred tax benefit. The company said global monthly active users rose 11% year over year to 553 million in the fourth quarter. Amazon — Shares fell about 3% after the e-commerce giant gave weaker-than-expected guidance for the current quarter. Amazon expects first-quarter sales between $151 billion and $155.5 billion, while analysts surveyed by LSEG were looking for $158.5 billion. The company’s fourth-quarter earnings and revenue still beat consensus expectations. E.l.f. Beauty — Shares of the cosmetics company tumbled 25% after E.l.f Beauty slashed its guidance for the fiscal year. The company sees sales ranging from $1.3 billion to $1.31 billion, short of consensus estimates of $1.34 billion, per StreetAccount. E.l.f’s adjusted earnings for the third quarter also missed expectations, coming in at 74 cents per share while analysts polled by LSEG predicted 75 cents a share. Take-Two Interactive Software — The video game stock jumped 9% after the company gave updates about the timing of new releases, including saying that Grand Theft Auto VI will come out this fall. The gain came despite Take-Two’s net bookings for the fiscal third quarter coming in at $1.37 billion, below the $1.39 billion expected, according to LSEG. Bill Holdings — The billing software company’s stock price plunged roughly 30% on the back of a disappointing fiscal third-quarter revenue forecast. Bill Holdings expects revenue of between $352.5 million and $357.5 million, below the $360.4 million LSEG estimate. The company’s second-quarter earnings and revenue beat analysts’ expectations. Expedia — Shares of the online travel company gained more than 11% after Expedia’s fourth-quarter results outpaced Wall Street expectations. Expedia posted adjusted earnings of $2.39 per share on revenue of $3.18 billion, exceeding analysts expectations for $2.04 per share in profit on $3.07 billion in revenue, according to LSEG. Expedia also reinstated its quarterly dividend at 40 cents per share. Monolithic Power Systems — Shares added 9% after Monolithic Power Systems beat fourth-quarter earnings and revenue expectations and issued better-than-expected revenue guidance for the current quarter. The semiconductor company also announced a $500 million stock repurchase program and increased its quarterly dividend by nearly 25%. Fortinet — The cybersecurity stock rallied 6% after Fortinet posted better-than-expected fourth-quarter results and offered strong guidance for the full year. The company estimates its full-year revenue will be between $6.65 billion and $6.85 billion, topping the $6.63 billion estimate, per LSEG. — CNBC’s Jesse Pound and Yun Li contributed reporting.