Kyle Lee (front), barista and Richie Woo (back), barista, prepare take-out only orders for customers at Henry's House of Coffee on Monday, March 1, 2021 in San Francisco, Calif. Lea Suzuki/The San Francisco Chronicle/Getty Images IHS Markit's gauge of service-sector activity rose to 59.8 last month from 58.3. The reading signals the fastest rate of expansion since 2014. Still, ISM's industry gauge declined as supplier pressures and costs cut into business optimism. Visit the Business section of Insider for more stories. A popular measure of US service-sector growth improved in February to signal the fastest rate of expansion since July 2014, yet mixed signals led to dimming business optimism.IHS Markit's purchasing managers' index for the service sector rose to 59.8 last month from 58.3.