The sentiment for Nvidia ($NVDA) is bullish regarding its upcoming earnings, with the expectation that the company will "demolish" estimates based on growth seen across the semiconductor sector. Recent market selloffs are attributed to investor "jitters" and fear ahead of the report, though the author suggests a potential "pump" if the market defies the common expectation of a post-earnings dump. The post also notes a recurring intraday trend where the broader stock market gains significant market cap during the afternoon trading session.