Walmart is buying the smart TV maker Vizio for $2.3 billion as it attempts to expand its rapidly growing advertising business to compete with Amazon.

Shares are lower in Asia after a decline on Wall Street, where strong economic data revived worries that the Federal Reserve might keep interest rates high for longer than hoped.

Carnegie Hall is launching an on-demand video network that features recorded performances of artists known for performing at the famed venue.

Roku and YouTube TV are parting ways.

JACKSONVILLE, Fla. - There's a consumer alert for anyone who just bought a smart device like Roku, Alexa or Google Home. Florida Chief Financial Officer Jimmy Patronis is warning about what he calls "tech device activation scams." He said schemers are charging activation fees for devices that are free to set up. Heres how it works: When people are setting up these devices, they start by searching for customer support's phone number. Once they call the number listed, a person will say there is a new policy in place that requires an activation fee.

There's a consumer alert for anyone who just bought a smart device like Roku, Alexa or Google Home. Copyright 2019 by WJXT News4Jax - All rights reserved.

Competition from much bigger companies is coming to the streaming market, and investors are bailing out of Roku's stock. Roku stock was up 1% on Monday. The stock has now lost a third of its value since Apple unveiled its streaming service, Apple TV+, would cost only $4.99 a month. Roku's stock is about 40% below its all-time high on September 9. Yet Roku's stock is still up a whopping 250% this year.