India, May 19 -- The major U.S. index futures are currently pointing to a lower open on Tuesday, with stocks likely to see further downside after ending the previous session well off their worst levels but still mostly lower.

Technology stocks may see further downside amid concerns about valuations following the recent surge to record highs.

The downward momentum for the tech sector comes as traders look ahead to the release of Nvidia's (NVDA) first quarter results after the close of trading on Wednesday.

With Nvidia seen as a leader in the artificial intelligence space, the company's results and guidance could have a significant impact on the outlook for the markets.

Traders also continue to express concerns about elevated oil prices a...