MarketCast

Blog

Welcome to the MarketCast blog, where we share practical investing guides, smart TV tips for investors, and financial education for all experience levels. Whether you're building your first stock portfolio, learning about dividend investing, or looking for the best devices to monitor the markets from your living room, our articles are written by the team behind MarketCast — a free stock market app built for smart TVs and streaming devices. We've been helping investors track their portfolios on the big screen since 2016.

How Social Media Influences the Stock Market: Reddit, Twitter, TikTok, and Beyond

Updated 4/1/26 by the AdamApps Team

From Reddit's WallStreetBets to TikTok finfluencers, social media now moves stock prices in real time. Learn how platforms like Twitter/X, Reddit, YouTube, and Discord influence retail investing, how social sentiment drives price action, and how to use these signals wisely.


Why VOO Is One of the Best Long-Term Investments You Can Make

Posted 4/1/26 by the AdamApps Team

The S&P 500 has historically doubled roughly every 7 years. Learn why Vanguard's VOO ETF is one of the smartest ways to invest in it, how the 4% rule can fund your retirement, and why VOO's ultra-low expense ratio makes it a better choice than SPY for long-term investors.


Why You Should Upgrade Your 1st Gen Amazon Fire TV Stick in 2026

Posted 4/1/26 by the AdamApps Team

The original Fire TV Stick is stuck on Android 5.1, no longer supported by Amazon, and too slow for modern apps. Here is why it is time to upgrade and the best affordable replacement options from Amazon, Google, and Walmart.


How to Monitor Your Portfolio Without Becoming Obsessed

Posted 4/1/26 by the AdamApps Team

Research shows checking your stocks too often leads to worse returns and more anxiety. Learn how to set up a healthy monitoring routine that keeps you informed without the compulsion.


Dividend Investing for Beginners: How to Build a Portfolio That Pays You

Posted 3/22/26 by the AdamApps Team

Learn the fundamentals of dividend investing, understand what to look for in dividend stocks, and discover how to build a portfolio that generates passive income over time through the power of compounding.


How to Build Your First Stock Portfolio: A Practical Guide for Beginners

Posted 3/15/26 by the AdamApps Team

A step-by-step guide to creating your first stock portfolio. Covers diversification, asset allocation, dollar-cost averaging, and common beginner mistakes to avoid.


How to Set Up MarketCast on Every Device: A Complete Step-by-Step Guide

Posted 3/1/26 by the AdamApps Team

Detailed installation and setup instructions for MarketCast on Amazon Fire TV, Android TV, Apple TV, and Chromecast with Google TV. Includes tips for building effective portfolio views.


Best Smart TVs and Streaming Devices for Stock Market Monitoring in 2026

Posted 2/20/26 by the AdamApps Team

An honest comparison of Fire TV, Apple TV, Chromecast, Android TV, and Nvidia Shield for stock market monitoring. Written from the perspective of developers who built apps for all of them.


Understanding Stock Market Indexes: S&P 500, Dow Jones, and Nasdaq Explained

Posted 1/28/26 by the AdamApps Team

Demystifying the major stock market indexes. Learn how the S&P 500, Dow Jones, and Nasdaq work, why they matter, and how investors use them to track market performance.


How to Speed Up a Slow Android TV: A Complete Performance Guide

Updated 4/1/26 by the AdamApps Team

Is your Android TV laggy and slow? This step-by-step guide covers how to disable bloatware, reduce animations, limit background processes, and clear cache to make your Sony, TCL, Hisense, or any Android TV feel fast again.


Be Careful Buying Roku Stock: A 2018 Prediction Revisited in 2026

Updated 4/1/26 by the AdamApps Team

In 2018 we warned about Roku stock's long-term risks from Amazon, Google, and Apple. Seven years later, the stock peaked at $490 during the pandemic before losing over 85% of its value. A look at what we got right, what we missed, and why the developer experience still matters.


What Happened to the Yahoo Finance API?

Posted 5/23/17 by the AdamApps Team

In 2017 Yahoo abruptly shut down their popular iCharts Finance API without warning, leaving millions of investors and developers scrambling. A look back at what happened and why.