FILE PHOTO: The AT&T logo is seen in a store window in the Manhattan borough of New York City, New York, U.S., January 19, 2022. REUTERS/Brendan McDermid/File Photo , Reuters $AT&T Inc(T)$ early Thursday reported first-quarter earnings that topped estimates while revenue and free cash flow missed Wall Street targets. T stock plunged as wireless subscriber growth slowed down as expected.Reported before the market open, AT&T earnings excluded WarnerMedia, spun off in early April 2022. The telecom giant said March quarter adjusted earnings from continuing operations were 60 cents, down nearly 5% from a year earlier. Revenue from continuing operations rose 1.4% to $30.1 billion.Analysts had projected AT&T earnings of 58 cents a share on r