Brian Steinberg Senior TV Editor Comcast notched a small first quarter profit despite continued erosion in its core cable operations and a lack of new spending from advertisers at its NBCUniversal operations. The Philadelphia owner of NBC, USA and the Peacock streaming service said profit rose just 0.6% during the period, to $3.86 billion, or 97 cents a share, compared with $3.83 billion, or 91 cents a share in the year-earlier quarter. Revenue rose 1.2% to $30.06 billion.