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The IPO season for Massachusetts companies got off to a booming start Friday when Waltham-based Care.com rose nearly 43 percent in its first day of trading as a public company to close at $24.30 on the New York Stock Exchange.
Care.com is an online marketplace for personal care services, ranging from baby-sitting and elder care to dog walking. About 5.2 million families and 4.5 million caregivers worldwide are registered with Care.com; about 1 million paying subscribers have used it to find qualified care providers in their neighborhoods.