Lawrence G. McMillan is president of McMillan Analysis, a registered investment and commodity trading advisor. McMillan may hold positions in securities recommended in this report, both personally and in client accounts. He is an experienced trader and money manager and is the author of “Options as a Strategic Investment.” www.optionstrategist.com.

Wall Street's main indexes fell on Thursday as investors awaited monetary policy clues from the Federal Reserve's annual economic symposium, while big-box retailer Walmart's quarterly results dampened sentiment.

The Nasdaq fell as megacaps lost after having rallied for much of the year. Nvidia fell 3.5%, the biggest drop in nearly four months.