Bitcoin could face its worst monthly decline in January. Entrepreneur and original "Shark" Kevin Harrington shares his outlook for cryptocurrency, and how he thinks it could transform retail.
"I think there's a correction happening right now. It takes a fair amount of time to process the transactions," said Harrington. "As more adoption is made I think you'll see a better chance for things to go back into an accelerated standpoint.
This week Harrington launched a new web series featuring lessons from legendary sales guru Zig Ziglar. Harrington shares the lessons he's learned from Ziglar and how they can apply to any entrepreneur.
Big Business This Week is a guided tour through the biggest market stories of the week, from winning stocks to brutal dips to the facts and forecasts generating buzz on Wall Street.
Google's head of search testified at the company's trial Thursday as it started presenting its defense. The Justice Department in several states alleged that Google violated antitrust law to achieve its dominance in search.
Stocks were mixed in Friday's opening session as the Nasdaq sought to recover after a rough week and following Amazon's earnings, which topped expectations.