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Avatar photoBruno M.

Bruno M. founded ECMSource to make capital markets understandable for everyday investors. Coverage here is built from primary sources — SEC filings, Federal Reserve releases, and company disclosures — with automation handling the research legwork so it stays broad and current. Bruno sets the site's editorial standards; every number published traces back to a named source.

Applied Aerospace IPO: $634M Defense Float Tests AADX Demand

September 12, 2026May 31, 2026 by Bruno M.
Applied Aerospace IPO: $634M Defense Float Tests AADX Demand

Greenbriar-backed Applied Aerospace & Defense sets terms for a $634M NYSE IPO at a $3.33B market cap, pricing June 2 under ticker AADX.

Categories Defense, IPO & Public Offerings Tags aadx ipo, capital markets, defense ipo 2026, greenbriar equity, nyse listing

Nvidia’s $80B Buyback and 25x Dividend Hike, Explained

September 12, 2026May 31, 2026 by Bruno M.
Nvidia’s $80B Buyback and 25x Dividend Hike, Explained

Nvidia returned $20B in Q1, added an $80B buyback authorization, and lifted its dividend 25x – even as it zeroed China out of its outlook.

Categories Earnings, Shareholder Actions, Stock Market, Technology Tags data center, nvda buyback, nvidia earnings, semiconductor stocks, stock market

Options Greeks Explained: Delta, Gamma, Theta, Vega, Rho

September 17, 2026May 30, 2026 by Bruno M.
Options Greeks Explained: Delta, Gamma, Theta, Vega, Rho

A plain-English guide to the five option Greeks — Delta, Gamma, Theta, Vega and Rho — with worked examples, charts and common mistakes traders make.

Categories Market Education Tags black-scholes, delta gamma theta vega, implied volatility, investing basics, options greeks, options trading

Cat Bonds Hit Record $69.9B as Hurricane Season Opens

October 23, 2026May 30, 2026 by Bruno M.
Cat Bonds Hit Record $69.9B as Hurricane Season Opens

Cat bond market enters 2026 Atlantic hurricane season at a record $69.9B outstanding, with $15.5B issued YTD as NOAA forecasts a below-normal season.

Categories Economy & Macro, Market Trend Tags capital markets, cat bond market, catastrophe bonds, hurricane season 2026, insurance-linked securities, reinsurance

Ambarella Falls 21% on Q1 Beat as Guidance Lands In-Line

October 27, 2026May 30, 2026 by Bruno M.
Ambarella Falls 21% on Q1 Beat as Guidance Lands In-Line

Ambarella stock tumbled 21% Friday despite a Q1 FY27 earnings beat. In-line Q2 guidance disappointed a market priced for upside.

Categories Artificial Intelligence, Earnings, Stock Market Tags AI chips, ambarella earnings, edge ai, post-earnings drop, stock market

Bond Convexity Explained: Why Duration Isn’t Enough

October 24, 2026May 30, 2026 by Bruno M.
Bond Convexity Explained: Why Duration Isn’t Enough

Duration is a tangent line; convexity is the curvature. Here is the formula, a worked 10-year Treasury example, and why MBS has negative convexity.

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

June 2026 IPO Wave: 7 Deals Worth $4.7B Hit Calendar

September 12, 2026May 30, 2026 by Bruno M.
June 2026 IPO Wave: 7 Deals Worth $4.7B Hit Calendar

Seven IPOs led by INNIO’s $1.9B and Quantinuum’s $1B target a combined $4.7B as the Renaissance IPO Index outpaces the S&P 500 by 11.5 points YTD.

Categories Energy & Commodities, IPO & Public Offerings, Market Trend Tags capital markets, ipo calendar, liftoff mobile, quantinuum ipo, renaissance ipo index

Okta Surges 23% on Q1 Beat, Raises FY27 on AI Agents

October 27, 2026May 29, 2026 by Bruno M.
Okta Surges 23% on Q1 Beat, Raises FY27 on AI Agents

Okta beat Q1 FY27 estimates on $765M revenue and $0.91 non-GAAP EPS, raised full-year guidance, and pitched identity as the control plane for AI agents.

Categories Artificial Intelligence, Earnings Tags ai agents, identity security, okta earnings, saas stocks, stock market

Investment Grade vs High Yield Bonds: A Complete Guide

September 12, 2026May 29, 2026 by Bruno M.
Investment Grade vs High Yield Bonds: A Complete Guide

How investment grade and high yield bonds differ: rating cutoffs, spreads, default rates, recovery rates, and the math behind credit risk.

Categories Market Education Tags bond spreads, corporate bonds, credit ratings, high yield bonds, investing basics, investment grade bonds

Fed Revives ‘Payment Account’ Plan; Tier 3 Reviews Paused

September 12, 2026May 29, 2026 by Bruno M.
Fed Revives ‘Payment Account’ Plan; Tier 3 Reviews Paused

The Fed re-proposed a limited ‘payment account’ for non-bank fintechs and novel-charter institutions, freezing Tier 3 master-account reviews.

Categories Federal Reserve & Rates Tags capital markets, fed master account, fintech regulation, narrow banks, tier 3 institutions
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