Onsemi (ON) sold off this morning despite posting an earnings beat and guidance raise. Diane King Hall says an uncertain auto industry outlook may play a role in the selling action. On Tyson Foods (TSN), she notes a slight revenue miss which came primarily from its beef and pork sales. Macquarie downgraded Block (XYZ) to neutral from outperform as the company continues to see fallout from its weaker-than-expected earnings.