Check out the companies making the biggest moves in premarket trading: Salesforce — The software company raised its fourth-quarter revenue guidance, sending shares nearly 2% higher. Salesforce now expects revenue between $41.45 billion and $41.55 billion. Its third-quarter results were mixed. Snowflake — The cloud-based data storage company tumbled 8.6% after its outlook for product revenue growth for the January quarter disappointed investors. However, Snowflake's third-quarter results topped expectations. Toast — The payment tech company advanced 2.8% on the back of an upgrade to overweight at JPMorgan. The firm called Toast a "bonafide software-payments leader." Five Below — The discount retailer jumped 4.5% after its third-quarter results blew past expectations. Adjusted earnings came

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