On this page
Related articles
Articles that name today’s leaders, then explainers for the concepts that came up.
Level 2 vs. Time & Sales: displayed orders are not completed tradesLearn the difference between Level 2 quotes and Time & Sales prints. Understand cancellations, hidden liquidity, trade flags and market-data coverage.
What Time Do Small-Cap Gappers Hit Their High of Day?A look at 671 US stock gap-ups of 20% or more from July 1 to October 2, 2026: when the 4:00 a.m.–8:00 p.m. ET high printed, split by gap size, price and how the day ended.
Gap up, gap down, and premarket change: which price are you comparing?Learn how gap up and gap down are calculated, how opening gaps differ from premarket changes, and why the reference price and timestamp matter.
Offering, dilution, and reverse split: what is actually changing?Understand stock offerings, dilution, and reverse splits. Distinguish new issuance from resale and check transaction stages before interpreting share counts.
What is a shelf registration? Reading S-3 filings, ATMs and offering capacityLearn what a shelf registration means in U.S. stocks. Separate S-3 capacity, ATM programs and actual sales; understand baby shelves and check SEC filings.
A stock suddenly moves: how do you establish what happened?Research why a stock moved using company announcements, SEC filings, and a source-linked timeline. Separate confirmed events from explanations and unknowns.
Retrospective data built after the session from stored records, with links to the original sources. Not real-time, not investment advice and not a recommendation to buy or sell any security.