CNBC Daily Open: Fragile rebound in oil exports threatened by Iran attacks in Hormuz

Vessels transit the Strait of Hormuz off Bandar Abbas in southern Iran on August 10, 2026. Atta Kenare | Afp | Getty ImagesHello, this is Justina Lee writing to you from Singapore. Welcome to another edition of CNBC's Daily Open.In stepping up attacks on tankers transiting through the Strait of Hormuz, Iran is threatening the recent precarious rebound in oil exports.Stateside, U.S. President Donald Trump has allowed cheaper red-dyed diesel to be used more broadly in an attempt to bring down record-high fuel costs ahead of the U.S. midterm elections. Over in tech, Anthropic is expanding its Claude Startups program, which allows members access to thousands of dollars' worth of the company's Claude products and credits. What you need to know todayIran's move to step up attacks on tankers which are transiting through the Strait of Hormuz has led to renewed concerns over oil supplies among traders, as it threatens to disrupt the fragile rebound in oil exports through the crucial waterway.According to the Joint Maritime Information Center, nearly 20 commercial ships have been attacked over the past month while sailing through Hormuz, the Persian Gulf or off the coast of Oman. In addition...