What is the sentiment of the input news from financial perspective?
Options: positive, negative

Nvidia posted another consecutive blockbuster quarter as expected with a strong sales and earnings beat. Higher-margin data center revenues surpassed its core gaming sales for the first time. But market participants remained skeptical of Nvidia's valuation following a softer-than-expected fiscal Q2 guidance that included an estimated $500 million negative impact from Russia-Ukraine and China lockdown headwinds.
positive