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Bruno

Bruno publishes ECMSource coverage of stock markets, capital markets, monetary policy, and investing concepts. Articles follow ECMSource’s documented sourcing and corrections standards and link readers to the underlying filings, releases, and data when available.

Bond Duration and Convexity Explained (With Examples)

September 12, 2026August 13, 2026 by Bruno
Bond Duration and Convexity Explained (With Examples)

Bond duration and convexity in plain English: what they measure, the formulas that matter, worked examples on real Treasury yields, and the traps that catch retail investors.

Categories Market Education Tags bond duration, convexity, fixed income, interest rate risk, investing basics, treasury bonds

Thrive Holdings Raises $2B at $12B: AI-Native PE Model

September 12, 2026August 13, 2026 by Bruno
Thrive Holdings Raises $2B at $12B: AI-Native PE Model

Thrive Holdings raised $2B at a $12B valuation from OpenAI, SoftBank, D1 and Altimeter to buy legacy services firms and inject AI into their workflows.

Categories Artificial Intelligence, Market Trend Tags ai enterprise, capital markets, OpenAI, private equity, SoftBank, thrive holdings

CoreWeave Q2 Doubles to $2.58B; Backlog Hits $104B

September 12, 2026August 13, 2026 by Bruno
CoreWeave Q2 Doubles to $2.58B; Backlog Hits $104B

CoreWeave’s Q2 2026 revenue jumped 112% to $2.58B; backlog hit $104B, Meta added $21B, and FY26 guide was raised. But the net loss widened to $626M.

Categories Artificial Intelligence, Earnings, Technology Tags AI infrastructure, coreweave earnings, crwv stock, gpu cloud, meta ai spending, stock market

Leveraged & Inverse ETFs: Why Daily Reset Kills Returns

September 12, 2026August 13, 2026 by Bruno
Leveraged & Inverse ETFs: Why Daily Reset Kills Returns

TQQQ, SQQQ, SOXL: leveraged and inverse ETFs reset every day. Here is why 3x can fall 53% while its index rises 8%, and when to use them anyway.

Categories Market Education Tags inverse etf, investing basics, leveraged etf, sqqq, tqqq, volatility decay

US Borrows $432B in July; FY26 Deficit Already Tops FY25

September 12, 2026August 13, 2026 by Bruno
US Borrows $432B in July; FY26 Deficit Already Tops FY25

July’s $432B deficit pushes FY26 borrowing past $1.8T in 10 months — more than all of FY25 — as tariff refunds bleed receipts and debt nears $40T.

Categories Stock Market Tags capital markets, monthly treasury statement, national debt, tariff refunds, treasury yields, us budget deficit

July CPI Cools to 3.4%: Stocks Shrug, Fed Cut Path Clears

September 12, 2026August 12, 2026 by Bruno
July CPI Cools to 3.4%: Stocks Shrug, Fed Cut Path Clears

July 2026 CPI came in at 3.4% headline and 2.5% core, matching forecasts. Stocks nudged higher, yields dipped, and the September FOMC cut looks live.

Categories Energy & Commodities, Inflation Tags core cpi, cpi inflation report, federal reserve rate cut, july 2026 cpi, stock market

Insider Trading Explained: Legal, Illegal, and 10b5-1 Plans

September 17, 2026August 12, 2026 by Bruno
Insider Trading Explained: Legal, Illegal, and 10b5-1 Plans

How Section 10(b), Rule 10b-5, Form 4 filings, and 10b5-1 trading plans separate legal insider activity from federal crimes.

Categories Market Education, Stock Market Tags 10b5-1 plan, form 4, insider trading, investing basics, rule 10b-5, sec enforcement

Goldman Buys NEOS for $2.25B: An Options-Income ETF Bet

September 12, 2026August 12, 2026 by Bruno
Goldman Buys NEOS for $2.25B: An Options-Income ETF Bet

Goldman Sachs Asset Management will pay up to $2.25 billion for NEOS Investments, adding $30 billion of options-income ETFs and pushing GSAM’s active ETF book to about $80 billion.

Categories Market Trend Tags active etfs, asset management m&a, capital markets, Goldman Sachs, neos investments, options income etf

Greg Abel Puts $23.5B to Work: Berkshire Turns Net Buyer

September 12, 2026August 12, 2026 by Bruno
Greg Abel Puts $23.5B to Work: Berkshire Turns Net Buyer

Warren Buffett’s successor Greg Abel deployed $23.5B into equities in Q2 — Berkshire’s first net-buying quarter in over three years. Here’s what changed.

Categories Institutional Flows Tags 13f filings, berkshire hathaway, brk.b, greg abel, stock market, warren buffett

The Sharpe Ratio Explained: Formula, Uses, and Traps

September 12, 2026August 12, 2026 by Bruno
The Sharpe Ratio Explained: Formula, Uses, and Traps

Sharpe ratio, made simple: the formula, a worked example, long-run values for stocks, bonds, and Berkshire, and the traps that make it lie.

Categories Investing Theory, Market Education Tags investing basics, portfolio metrics, risk-adjusted returns, sharpe ratio, william sharpe
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