Yahoo Finance Live looks at several of the day's trending stocks, including volatility in the semiconductor industry and Pfizer and Moderna opting to enhance COVID-19 booster shots to provide protection against new subvariants.
The FDA is asking COVID-19 vaccine makers to test and produce boosters that target both the original and new BA.4/BA.5 strains of the virus by fall.
Shares of Moderna (NASDAQ: MRNA) have been plummeting in recent months. As concerns shift from COVID-19 and onto inflation, investors have become less bullish on Moderna's stock. Omicron was a significant variant when it emerged in November, and that prompted Moderna to create a booster shot which targeted that variant.