SK Hynix debut lifts S&P and Nasdaq as indexes post weekly gains

The S&P 500 rose 0.4% to 7,575.39 on Friday, giving the index a 1.2% weekly gain—the second straight week of advances—as SK Hynix’s 13% surge on its U.S. debut lifted tech‑heavy stocks and offset a modest slip in the Dow Jones Industrial Average [1][2].

Index moves and sector drivers

The three major U.S. indexes all posted gains after Thursday’s rally in memory‑chip stocks. The S&P 500’s 0.4% rise and the Nasdaq’s 0.29% increase were anchored by SK Hynix’s record‑breaking $26.5 billion Wall Street debut, the largest foreign IPO to date, which lifted other chipmakers such as Nvidia (+4%) and Meta (+6%) [1][2]. By contrast, the Dow slipped 0.5% for the week, ending a four‑week winning streak, as its broader industrial exposure lagged the tech surge [1].

Sector‑wide, communications and financial services led the gainers, while industrials and healthcare fell, reflecting a mixed backdrop of earnings optimism and lingering geopolitical risk [2]. Oil prices fell modestly after a U.S. airstrike in Iran, with WTI at $71.50 a barrel and Brent at $76, keeping energy costs from derailing the market’s upward bias [1]. Gold slipped 0.47% to $4,112.62 per ounce, and the dollar index edged up 0.1% to 101, indicating a slight risk‑off tilt despite the equity rally [1].

Monetary backdrop and market sentiment

Treasury yields rose marginally, with the 10‑year yield ticking up to 4.56% after briefly hitting 4.57% earlier in the week, signaling continued market expectations of a higher‑for‑longer rate environment [2][1]. The modest yield increase came as investors priced in the Federal Reserve’s upcoming policy meeting and the start of the earnings season, which could clarify the trajectory of inflation and growth. Meanwhile, Bitcoin hovered around $63,800 after briefly breaching $64,500, underscoring the broader crypto market’s volatility despite Circle’s regulatory win [1].

What to watch

• U.S. earnings season – The next wave of corporate results, beginning with major banks and tech firms, will test whether the current rally can be sustained.
• Fed policy meeting (July 30) – Any shift in the Fed’s rate outlook could move Treasury yields and, by extension, equity valuations.
• Geopolitical developments – Further escalation or de‑escalation in the Middle East may affect oil prices, which remain a key input for inflation expectations.

The market’s ability to maintain weekly gains hinges on whether earnings and monetary policy signals reinforce the optimism sparked by SK Hynix’s debut, or whether renewed geopolitical tension and higher rates dampen the rally.