After ending the previous session mostly higher, stocks may see further upside in early trading on Tuesday. The major index futures are currently pointing to a higher open for the , with the S&P 500 futures up by 0.3 percent.Tech stocks may help to lead an early advance on Wall Street, as reflected by the 0.6 percent increase by the tech-heavy Nasdaq 100 futures.Traders remain optimistic ahead of the release of earnings news from big-name tech companies like Apple (AAPL), Meta Platforms (META) and Microsof ...