During the night session on July 29 (Wednesday) US Eastern Time, the big tech sector faced broad selling pressure, with mainstream tech stocks closing lower across the board. As of press time, heavyweight stocks in the sector were generally weak, led by a significant decline in Meta Platforms, which dragged down overall sentiment.

In terms of individual stocks, META.US fell 6.69% in the night session to $546.15. The stock had already dropped 1.31% during regular trading hours but suffered a sharp sell-off after its post-market earnings release, plunging over 10% at one point. Although the decline narrowed slightly during the night session, it remained deep in the red. TSLA.US also performed weakly, dropping 3.07% in the night session to $300.79, continuing its post-market decline of over 4%. AMZN.US fell 1.74% to $230.60, while AAPL.US edged down 0.03% to $338.28; both maintained post-market oscillation trends during the night session. GOOGL.US dipped 0.32% to $337.78, limiting losses relative to peers. TSM.US fell 2.47% to $384.00, following the sector's pullback.

On the derivatives front, leveraged ETFs tracking Tesla showed high volatility. TSLL.US (2x Long) fell 6.08% to $6.85, while TSDD.US (2x Short) bucked the trend with a 6.19% gain to $12.27. Among Google-related leveraged instruments, GGLL.US (2x Long) slipped 0.48% to $99.52, and GGLS.US (2x Short) edged up 0.17% to $60.43. Overall, market reaction to the latest earnings and guidance from tech giants was relatively negative, with cautious trading sentiment prevailing during the night session.