computer science

Yahoo Finance

Yahoo Finance is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Yahoo Finance rather than just read about it. In short: Yahoo Finance is a media property that is part of the Yahoo network. It provides financial news, data and commentary including stock quotes, press releases, financial reports, and original content.

Key takeaways

Yahoo Finance belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Yahoo Finance to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Yahoo Finance from memory before moving on to harder problems.

Reference excerpt

Yahoo Finance is a media property that is part of the Yahoo network. It provides financial news, data and commentary including stock quotes, press releases, financial reports, and original content. It also offers online tools for personal finance management, including portfolio tracking, interactive charts, and stock screening. In addition to posting paid partner content from other web sites, it posts original stories by its team of staff journalists. Comscore ranked Yahoo Finance as the number 1 most popular financial news and research site in 2008, a ranking it has continued to maintain as of May 2024. As of April 2024, the site had approximately 150 million monthly active users. In 2017, Yahoo Finance added the feature to look at news surrounding cryptocurrency. Yahoo Finance video programs have been made available via connected TVs and devices, including Apple TV, Samsung TV Plus, YouTube, Amazon Freevee, and DirecTV.

History In 2001, Yahoo Finance launched a subscription service providing access to real-time stock quotes; quotes on the free service were provided on a 20-minute delay. The site stopped using ticker information from Reuters in favor of direct feeds from major U.S. exchanges in 2005. A 2006 redesign introduced interactive charts to the site, and it began offering free real-time stock quotes in 2008. In 2012, Yahoo Finance began a content-sharing partnership with CNBC, following a similar partnership with ABC News the previous year. In February 2016, Comscore reported that Yahoo Finance had 78 million monthly active users. Yahoo Finance began providing live video content in 2017 and added more video programming in 2018. Apollo Global Management acquired Yahoo in 2021, stating an aim to grow the Yahoo Finance business. In August 2023, Yahoo acquired CommonStock, a San Francisco-based social platform for retail investors to share insights based on their linked brokerage accounts. The site introduced a redesign in November 2023.

Recognition The Yahoo Finance app was a Webby Award honoree in 2017, and Yahoo Finance was an honoree in 2022. In 2023 and 2024, the New York Press Club gave Yahoo Finance awards for journalism.

Worked examples

Example 1 — a first encounter with Yahoo Finance

Start with the simplest possible case. Write down what Yahoo Finance claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Yahoo Finance before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Yahoo Finance ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Yahoo Finance

In research: Yahoo Finance appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Yahoo Finance in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Yahoo Finance is common in secondary-school and first-year university syllabi. It links to neighbouring topics Android (operating system) software, Economics websites, IOS software, so understanding it makes those chapters shorter.
In everyday life: Look for Yahoo Finance outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Yahoo Finance in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Yahoo Finance means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Yahoo Finance out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Yahoo Finance in simple terms?

Yahoo Finance is a media property that is part of the Yahoo network. It provides financial news, data and commentary including stock quotes, press releases, financial reports, and original content.

Why does Yahoo Finance matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Yahoo Finance?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Yahoo Finance.