It's Tuesday afternoon -- still roughly 28 hours to go before semiconductor giant Nvidia (NASDAQ: NVDA) reports fiscal second-quarter 2023 earnings. But even before the news has arrived, Nvidia stock is heading higher today.

After rising as much as 2.5% earlier in the day, Nvidia shares are still hanging onto half their gains as of 12:45 p.m. ET -- up 1.3%.

That's actually a bit surprising, seeing as Nvidia already said the earnings news isn't going to be great. If you recall, about two weeks ago Nvidia released a preliminary report on Q2 earnings.

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Source Fool.com