3 of our stocks striking gold and 3 others hitting the skids over the past 3 weeks

The past three weeks in the stock market have been highly volatile. The S & P 500 saw its worst session in eight months on June 5, just days after the index reached record highs. The CNBC Investing Club portfolio has been going along for the ride. Iran-U.S. war uncertainty, SpaceX 's historic public debut, and the artificial intelligence trade whipsawed the market since our last Monthly Meeting on May 27. Ultimately, as of Wednesday morning, the S & P 500 was flat over that stretch, while the Nasdaq fell nearly 1%. The market's bright spot? The Dow . The 30-stock average jumped 2.7% since our last meeting and was trading at record highs. It has been benefiting from a rotation out of tech and into value-based names. Nineteen stocks in our 34-name portfolio were higher since our May meeting. As we look ahead to our June Monthly Meeting livestream , which starts at noon ET on Wednesday, here's a breakdown of what moved our three top and bottom performers. Top performers Arm up 38.2% This chip stock continues to hit record highs on enthusiasm around agentic AI. The bulk of its gains came on June 1 after Nvidia CEO Jensen Huang announced a new Arm-based chip for personal computers. Shares soared nearly 16% that day. Arm took another leap last week after Oracle 's earnings showed how strong demand for AI computing continues to be. Oracle announced an extra $20 billion raise for its AI infrastructure plans. …