What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.
Text: NVIDIA (NASDAQ: NVDA) shares moved lower in the wake of the company's very strong Q4 results because concern over margins emerged that we think is entirely overblown. The company expanded margin and produced record-setting results for Q4 and FY2021 and is guiding those margins to be flat on a YOY.
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moderately positive
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