Description: Johnson & Johnson said Tuesday its Covid-19 booster shot is 94% effective when administered two months after the first dose in the United States. It also said the booster increases antibody levels by four to six times compared with one shot alone.

Source: CNBC.com – video report

Date: Sep 21, 2021

Link: https://www.cnbc.com/2021/09/21/jj-covid-vaccine-booster-shot-is-94percent-effective-when-given-at-two-months.html

Questions for discussion:

• What explains the change in stock market price?
• What sorts of news events would help or hurt future prices for the firm?
• Do you think the firm is a good buy at this time?