(This is a wrap-up of the key money moving discussions on CNBC's "Worldwide Exchange" exclusive for PRO subscribers. Worldwide Exchange airs at 5 a.m.

ET each day) The last week of August is typically a low-volume time for markets, but there are number of key decisions that need to be made by investors this week. We reviewed the market action from Federal Reserve Chair Jerome Powell's Friday speech and gave some key picks ahead of Nvidia's earnings Wednesday. Fed cuts: Celebratory or desperation? Callie Cox of Ritholtz Wealth Management said there have been 18 Fed cutting cycles since 1970 with 11 being "desperation" and seven being "celebratory".

"We are still in the 'celebratory, bucket right now which is great news for investors," said Cox. She added: "The job market is slowing down, but it's still pretty clear we are not in crisis mode yet. That shows the Fed is cutting on its own terms and we still have time to save this expansion.

" Cox's data shows the S & P 500 has risen 7% in the 12 months following "desperation" cuts and 11% higher in the 12 months following "celebratory" cutting cycles. Worldwide Exchange 'Word of the Day:' Juggernaut Kevin Mahn, president and chief investment officer of Hennion & Walsh Asset Management, said Nvidia earnings after the bell on Wednesday will be a major market inflection point, especially for the AI Trade. "I can't think of any better company to represent a juggernaut," Mahn said.

"Nvidia earnings have the potential to change investor.