Air taxi developers need more than an aircraft that flies. Using Joby Aviation as the main profile, this guide explains how certification controls the commercial timeline, how passenger service could generate revenue, and why cash runway, manufacturing quality, and fleet utilization matter when assessing eVTOL stocks.
October 28, 202610 min read
A promising technology company can still be too large a holding. This guide explains how to size high-risk stock positions using a portfolio loss budget, realistic downside assumptions, and limits on overlapping bets. Worked examples show how to calculate share counts, account for price gaps, and set rules for later additions.
October 27, 202610 min read
Space investing can mean owning a satellite operator, a launch company, a thematic ETF or a diversified defense contractor. Each route carries different revenue drivers and risks. This guide explains how to compare them, check cash needs and fund holdings, size an exposure, and monitor whether the investment case holds.
October 27, 202611 min read
A data center REIT owns more than warehouse space: its assets include power systems, cooling equipment, network connections, and customer contracts. Learn how these landlords earn revenue, how Equinix and Digital Realty differ, and which measures help investors assess debt, dividends, development spending, and valuation.
October 27, 202611 min read
Spot crypto ETFs let investors hold bitcoin or ether exposure through a brokerage account, but the structure adds its own moving parts. This guide follows a trade through share creation, custody and redemption, explains how fees reduce asset backing, and shows what to check before placing an order or comparing funds.
October 27, 202611 min read
Self-driving car stocks offer exposure to robotaxi operators, chip suppliers, driving software, and ride platforms. This guide explains who gets paid, which costs can absorb the revenue, and how to assess public companies and funds without confusing impressive demonstrations with a durable, profitable business.
October 27, 202611 min read
High-bandwidth memory sits beside AI processors, feeding them the data they need to work efficiently. This guide explains how stacked memory works, why supply is difficult to expand, which listed companies provide exposure, and how to judge whether stronger demand can translate into durable earnings rather than another memory cycle.
October 22, 202611 min read
TSMC manufactures chips designed by companies such as Nvidia and Apple. Its earnings depend on more than demand for AI: pricing, factory utilization, manufacturing yields, and packaging capacity all matter. This profile explains the foundry model, the investment case, and the operating signals worth tracking.
October 21, 202611 min read
Position sizing turns a speculative technology idea into a defined portfolio exposure. This guide shows how to set a risk budget, estimate downside, calculate a share count, and manage overlapping bets. Worked examples explain why a stop order, a lower share price, or several different tickers do not necessarily limit your loss.
October 21, 202611 min read
A warehouse robot can reduce walking time without reducing total operating costs. This explainer breaks down hardware, integration, software, maintenance and remaining labor, then connects customer payback to the revenue quality, competitive risks and valuations investors should examine in warehouse automation stocks.
October 21, 202610 min read
Satellite broadband and launch services share an industry, but not an earnings model. Compare recurring connectivity revenue with mission-based launch contracts, examine public-company exposure, and learn which operating metrics, financing risks, and valuation checks matter before assessing either business.
October 21, 202610 min read
A stock screener can narrow the search for technology companies, but its results are only a research shortlist. This guide shows how to build separate screens for profitable businesses and cash-burning developers, use TradingView and Morningstar, and check revenue quality, funding risk, valuation, and portfolio overlap.
October 20, 202611 min read