TheStreet's Scott Gamm speaks with Randy Frederick, VP of Trading & Derivatives at the Schwab Center for Financial Research about how to spot a buying opportunity.

The S&P 500 declined almost 1.2% on Tuesday, following remarks from new Federal Reserve Chairman Jerome Powell on Capitol Hill.

Want exclusive investing insight from Jim Cramer? Get 24/7 access to Jim's charitable trust portfolio with a free trial to Action Alerts PLUS!

(Editor's pick. This video originally ran on Feb. 28.)

More from Video

Here's One Reason Why the Markets Have Become Resilient to Trade Worries

Here's One Reason Why the Markets Have Become Resilient to Trade Worries

Jim Cramer: Walmart, Nike and FedEx Point to a Strong US Economy

Jim Cramer: Walmart, Nike and FedEx Point to a Strong US Economy

Jim Cramer: The US Has Leverage Over China

Jim Cramer: The US Has Leverage Over China

Jim Cramer Talks China, Walmart, Nike, FedEx and More

Jim Cramer Talks China, Walmart, Nike, FedEx and More

Wall Street Is Probably Too Optimistic on Stocks, Sell Now

Wall Street Is Probably Too Optimistic on Stocks, Sell Now