MARKET INSIDER Stocks making the biggest moves premarket: Ross Stores, Intuit, Workday, Guardant Health and more

Check out the companies' making headlines in premarket trading:

Intuit — The TurboTax parent company slipped nearly 6% after issuing weaker-than-expected first-quarter guidance. Intuit forecast adjusted earnings of $1.80 per share to $1.85 per share, while analysts surveyed by FactSet expected $1.92.

Ross Stores — The discount apparel retailer stock added more than 7% on the heels of an earnings beat. The company notched earnings of $1.46 per share on $4.86 billion in revenue, while analysts polled by LSEG forecast $1.35 in earnings per share and $4.83 billion in revenue.

Workday — The enterprise management company pulled back more than 11% after subscription revenue guidance for the second quarter slightly undershot analysts’ estimates. Workday forecast subscription revenue of $1.895 billion, while the consensus forecast called for $1.9 billion, according to StreetAccount. Cash from operations also disappointed, coming in at $372 million, while analysts anticipated $397.2 million.