Amazon purchases the video doorbell company for a reported $1 billion.
Video doorbell and home camera maker Ring is seeing booming sales. Its hardware could ultimately support a number of services for Prime members.
Jump quickly, says Jim Cramer, and if you've done your homework, you can pick up great stocks at discounted prices.
Stocks closed higher on Friday even amid worries the federal government will be forced into a shutdown at midnight.
Security company ADT, which returned to the public markets on Friday, is facing stiff competition from the likes of Alphabet's Nest and Amazon.