Monday's trading day shifts into high gear. To guide investors through the first full trading hour of the day, Seana Smith and Madison Mills break down the biggest market movers and interview top Wall Street experts on today's installment of Catalysts.

The Catalysts team welcomes Piper Sandler chief investment strategist Michael Kantrowitz to talk about his forecast for market valuations amid third quarter earnings season.AutoGuide editorial director Greg Migliore weighs in on what auto investors are expecting out from Tesla (TSLA) and General Motors (GM) earnings this week.

As Big Tech seeks energy means to power its AI data centers, X-energy CEO Clay Sell comes onto the program to discuss the nuclear reactor designer's deal with Amazon (AMZN) to build out a small modular reactor (SMR).

To watch more expert insights and analysis on the latest market action, check out more Catalysts here.

Other top trending stocks on the Yahoo Finance platform include Disney (DIS), United Parcel Service (UPS), Microsoft (MSFT), and Nvidia (NVDA).

This post was written by Luke Carberry Mogan.