Big tech stocks displayed mixed performance in premarket trading on Monday (July 20). TSMC(TSM.US) climbed 2.14% to $406.90, leading the sector with a premarket high of $406.95. Meta Platforms(META.US) declined 0.52% to $642.63, while Apple(AAPL.US) edged down 0.28% to $332.80. Amazon(AMZN.US) slipped 0.05% to $247.10, Alphabet(GOOGL.US) rose 0.36% to $348.01, and Tesla(TSLA.US) gained 0.23% to $381.72, with overall limited volatility across the group.

On the news front, investors are adopting a cautious stance ahead of the upcoming tech earnings season. TSMC's relatively strong premarket performance reflects continued optimism around AI chip demand, while Meta and Apple face valuation digestion pressures as social media and consumer electronics leaders. Among leveraged products, TSLL.US rose 0.48% and TSDD.US fell 0.73%, while GGLL.US gained 0.90% and GGLS.US declined 0.59%, with leveraged and inverse products moving in line with expectations.