CNBC Investing Club portfolio update

What happened: Semiconductor and AI stocks rebounded after a brief sell-off, with Micron and Corning leading the recovery. Bank of America's balanced portfolio, split evenly across stocks, bonds, cash, and commodities, is up 26% year-to-date, its best annual return since 1933. The CNBC Investing Club added a speculative stock, Lumentum, to its Bullpen, benefiting from the AI data center boom. Software stocks staged a comeback, and Boeing's CEO visit to China sparked interest.

Market impact: The rebound in semiconductor and AI stocks boosted tech-related sectors. Bank of America's portfolio performance indicates investors' appetite for diversified, low-risk portfolios. Lumentum's inclusion in the Bullpen signals optimism in AI-related companies, while Boeing's China visit could influence aerospace and defense stocks.

What to watch next: Upcoming earnings reports from tech companies like Microsoft and Alphabet, scheduled for late April and early May, will provide insights into the tech sector's health. The U.S. inflation data release in mid-May will offer clues about the Federal Reserve's policy trajectory, affecting the broader market. Additionally, Boeing's potential progress in China will be closely watched, as it could impact the aerospace giant's stock performance.