Key Takeaways Liquidia Corporation shares have gained 43.9% since an October upgrade, far outpacing the S&P 500's rise.Shares of WDC have climbed 52.8% since its October Outperform upgrade, beating the S&P 500 by a wide margin.JNJ has returned 19.3% over 12 weeks, benefiting from investor demand for quality dividend stocks.The U.S. stock markets ended the week mostly lower, with the tech-heavy Nasdaq Composite and the S&P 500 slipping by 1.49% and 0.28%, respectively, due to a sharp selloff in tech stocks. ...