The informal ceasefire between the US and Iran has broken down, causing international oil prices to surge. US stocks closed mixed, and the storage sector turned positive after initially declining.

BlockBeats news, July 29, according to BIT(bit.com) market data, the three major U.S. stock indexes closed mixed. The Dow Jones rose 1.03%, the S&P 500 index gained 0.22%, while the Nasdaq fell 0.22%. Optical communication and storage sectors plunged, Sandisk dropped over 14%, Corning fell more than 12%, Coherent was down more than 10%, and a certain exchange ADR decreased by 9%. The Philadelphia Semiconductor Index closed down by 519.198 points, falling 4.49%, to 11,035.68 points, breaking a key support level.

The earnings report from a certain exchange fell short of expectations, with second-quarter revenue at 79 trillion Korean won, while the market expected 84 trillion Korean won. Seagate Technology announced its fourth-quarter results, with revenue at $3.63 billion, beating the market's expected $3.49 billion; adjusted earnings per share (EPS) were $5.71, ahead of the expected $5.08.

After dropping sharply at the close, the U.S. storage sector has now turned upward in after-hours trading. The certain exchange's U.S. stock ADR rose 2.64% after hours.

Meanwhile, the unofficial ceasefire between the U.S. and Iran has collapsed. Iran launched missiles at a U.S. military base this morning. According to Bitget market data, WTI crude oil subsequently surged 4%.