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Newswire briefs, filings, valuation notes, options flow and technical charts — organized as a market front page instead of a raw archive.

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AI Stock Guru Says His Fund Will Never Use Leverage Again

Leopold Aschenbrenner, a prominent figure in the global technology sector’s “Black July,” has drawn intense attention from investors after his Situational Awareness fund suffered heavy losses on leveraged bets on artificial-intelligence stocks. According to ea…

U.S. Officials Say Trump Ordered New Round of Strikes on Iran

U.S. officials said President Donald Trump has ordered a new round of attacks on Iran to force Tehran to surrender, according to a report by China Central Television citing its correspondent on July 31 local time. The actions could begin as early as this weeke…

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U.S. 10-year Treasury yield rises 6.15 basis points to 4.7347%

At the close of trading in New York on Friday, July 31, the U.S. 10-year Treasury yield rose 6.15 basis points to 4.7347%. It gained 5.76 basis points for the week and 25.56 basis points in July, moving higher overall with fluctuations. The yield traded in a r…

U.S. Treasury Intervened in Yen Market on Friday, FT Reports

The U.S. Treasury intervened in the yen market on Friday, according to people familiar with the matter, the Financial Times reported. The Federal Reserve Bank of New York sold euros and bought yen, according to the report. The Trump administration’s interventi…

Popular U.S. and Chinese Stocks: Friday’s Closing Moves

Popular U.S. stocks posted mixed moves at Friday’s close. Micron Technology fell 5.90%, Apple declined 7.35%, Amazon rose 15.32%, Microsoft gained 3.02%, Nvidia advanced 2.93%, SanDisk dropped 5.09%, Google Class A rose 6.73%, Meta Platforms Class A gained 3.2…

New Fed Chair Kevin Warsh Faces a Severe Test of Credibility

New Federal Reserve Chair Kevin Warsh faces a severe test of credibility at the Fed’s July policy meeting. Despite persistently high inflation, the Federal Open Market Committee voted 9-3 to keep its benchmark interest-rate target at 3.50% to 3.75%.

What Are SEC Filings, and Why Should U.S. Stock Investors Read Them?

SEC filings are disclosure documents that publicly traded companies submit to U.S. securities regulators. This explainer covers what an SEC filing is, the common types of filings, why Forms 10-K, 10-Q and 8-K can affect stock prices, and how investors can use…